Z2 phone stuck in reboot loop - Xperia Z2 Q&A, Help & Troubleshooting

Hi there.
I have a standard, non-rooted phone which started to reboot last week. I can sometimes get as far as opening for example the SMS app before the phone hangs and eventually reboots.
The repair guy contact talked about some reinstallation being necessary and that they would charge for it.
Is this something I can do myself and can I do it from Linux? No risky, warranty-voiding stuff..
Thanks,
Morten

repair software
morphexxx said:
Hi there.
I have a standard, non-rooted phone which started to reboot last week. I can sometimes get as far as opening for example the SMS app before the phone hangs and eventually reboots.
The repair guy contact talked about some reinstallation being necessary and that they would charge for it.
Is this something I can do myself and can I do it from Linux? No risky, warranty-voiding stuff..
Thanks,
Morten
Click to expand...
Click to collapse
A good starting point would be to use the official Xperia update app.
1) Download the installation from their website, download all drivers for the phone
2) install both software and drivers on pc.
3) while phone is still not hung, enable debugging in developers options in settings ( to get these u need to hit the Build number info under: "Settings- About phone-Build Number" several times and it will enable Developer Options)
4) Connect your phone to the pc, and start the Xperia software
5) back up your apps, and data, images videos etc
6) look for software update / Repair
7) Let the application do Repair.
follow the instructions on screen and your phone software should be ok after the phone restarts.
then restore the back ups to phone.
Hope this helps.
Milind

Related

Need some help guys!

hello friend, Raj here.
I have been using the X10i since past 6 months. I bought the phone my UAE & i am presently using it in India.
1) Is there any firmware upgrade available for my phone?
My phone info says-
Model - X10i
Firmware - 1.6
Baseband version - 1.0.14
Build number - R1FA014
2) My phone does not have the Android market application inbuilt in it! how & from where do i download that app?
3) How do i install applications downloaded to my computer from Android market, to my phone?
4) I am not able to access Calender since it requires me to log in to my Gmail account. everytime i try to do that, it says "error, try next time"! is there any way i can start the calender without registering?
Thanks.
raj_5004 said:
1) Is there any firmware upgrade available for my phone?
Click to expand...
Click to collapse
Hi.
Yes there is, considering a lot of us are running R2BA026, that should give you an idea of how far behind you are.
raj_5004 said:
2) My phone does not have the Android market application inbuilt in it! how & from where do i download that app?
Click to expand...
Click to collapse
Personally, I would debrand and update your handset with UK generic FW, which will give you the Market app, which will answer question 3, and as you need to register for the Market to use it, that also answers your 4th question.
1) Install SEUS (Sony Ericsson Update Service).
You can get it from here: http://www.sonyericsson.com/cws/download/1/110/61/1275980198/Update_Service_Setup-2.10.6.21.exe
2) Run SEUS, follow the prompts. You don't need to update the phone through it, but get the phone ready for updating. This process should install the drivers necessary for the rooting process.
Note: I suggest you keep your USB cable attached to that USB port. Remember which USB port of your computer it's attached to, as changing USB ports can lead to a bit of confusion for the next 2 steps!
3) To check if #2 was successful, click on Start, click Run, and type: regedit
In the Registry Editor that pops up, click on Computer, press CTRL+F, and search for this: USB\Vid_0fce&Pid_adde\
After it's finished finding, on the right side you'll see DeviceInstance, then it says REG_SZ, then it says something like USB\Vid_0fce&Pid_adde\5&270d2a78&0&3
You'll need that last bit (in this example: 5&270d2a78&0&3 Yours would probably be different). This is your DeviceID (you'll need it soon!)
Note: You may have multiple of these if you plugged the USB cord into many USB ports on your computer. Each USB port will give a different DeviceID, so if you have more than one DeviceID, you'll have to choose one, and if it doesn't work (you'll find out when you reach #5!) you will have to choose another one.
Alternatively, download the file in the next step and extract it, go to the folder called 1st, and run the DeviceID.jar file. It should give your DeviceID
4) Download this:
http://filevo.com/1nlq8wryo11u.html
or from here: http://rapidshare.com/files/404363083/i_R1FA16_ft.rar.html
Extract it.
In the step1 folder, you'll see a file called DeviceID.txt
Open it up, delete whatever's there, and put YOUR DeviceID (that you found from the previous step).
Save the file and close notepad.
Note: Make sure there are no extra spaces or lines after/before the DeviceID. The ONLY thing that should be in the file is your DeviceID, NO SPACES/LINES (for example, only this: 5&270d2a78&0&3 [yours will probably be different])
5) Take out the USB cable from your phone (leave it plugged into your computer)
Turn your phone OFF
Open up step1.cmd (it's not inside the step1 folder, but outside it), but DON'T PRESS ANYTHING
Now we have to put the phone into flash mode. This is how you do it:
Hold the Back button on your phone, and while holding the back button, insert the USB cable into the phone.
A green light should come on the phone (like when it's charging or a missed call)
Quickly "Press any key to continue..." in the open step1.cmd window.
Let it finish what it's doing. It will say "Press any key to continue..." after it's finished. Until then, DON'T touch anything!
If you get problems in this step, refer to this post:
http://forum.xda-developers.com/showpost.php?p=6970868&postcount=3
Here's a helpful video for common java issue: http://forum.xda-developers.com/showthread.php?t=713457
After completion, this will give you a Generic X10i R1FA016 firmware (check it by pressing the left button, go to settings>about phone and at the very bottom under build number)
Click to expand...
Click to collapse
- Newbies Guide to Rooting X10 and giving you the newest firmware!
Follow those steps and when you've completed them run SEUS which should update you to R2BA026, and give you the Market app. If you run in to any issues read the links provided as the chances are it will be user error if you do.
Thanks a lot buddy.
Will de-branding my phone affect future upgrades to Android 2.1 in any way?
Also, why is de-branding necessary to access calender???
raj_5004 said:
Will de-branding my phone affect future upgrades to Android 2.1 in any way?
Click to expand...
Click to collapse
Nope, apart from you'll be the first in line to get it.
raj_5004 said:
Also, why is de-branding necessary to access calender???
Click to expand...
Click to collapse
It isn't, but if want to use the Market you are going to need a gmail account.
I tried using SEUS but failed at step 2 itself!
It says press back button while inserting USB cable in phone & keep pressing back button. i did the same & waited & waited for 5 minutes, but no response!
then my finger started hurting & i had to abort the process! does it take so long?
raj_5004 said:
I tried using SEUS but failed at step 2 itself!
Click to expand...
Click to collapse
You're not doing it right, should take about 5 seconds for seus to recognise the phone. Try again.
Sorry for the back-to-back posts, but can i update my phone country to India instead of UK? i think Indian X10s do get Android Market. Since i am using the phone here in India & in future would like to get this serviced in india itself, i would prefer my phone to show India in country!
It honestly doesn't matter. I'm in Canada but I'm using a Latin American firmware. But yes, to get it serviced I guess you need it. How about asking someone with the Indian firmware to dump it for you?
That is precisely the reason i am looking for the indian version instead of UK.
None of my friends have a X10 & strangely, even google dint yield any satisfactory results.
I will opt for the UK update only if Indian update is not available.
Also, i am still not able to open the calender using my gmail account. evertime it says "error! try again later" !!!
raj_5004 said:
That is precisely the reason i am looking for the indian version instead of UK.
None of my friends have a X10 & strangely, even google dint yield any satisfactory results.
I will opt for the UK update only if Indian update is not available.
Also, i am still not able to open the calender using my gmail account. evertime it says "error! try again later" !!!
Click to expand...
Click to collapse
so did you manage to update to a newer firmware yet? you said a while back that "holding the back button" did not work. You need to have the phone off before you do this step.
1. turn phone off
2. connect usb cable to phone, but not to pc.
3. open SEUS and get to the stage that it says waiting for phone connect.
4. press and hold the back button (which will power your phone on in flash mode) and connect the USB cable to pc.
SEUS should now say "stop pressing back button" or something to that effect.
mrtim123 said:
so did you manage to update to a newer firmware yet? you said a while back that "holding the back button" did not work. You need to have the phone off before you do this step.
Click to expand...
Click to collapse
No, it still dint work. i tried it thrice & following all instructions carefully. i had the phone switched off.
1. turn phone off
2. connect usb cable to phone, but not to pc.
Click to expand...
Click to collapse
in SEUS, it says first connect USB cable to PC, then to phone.
3. open SEUS and get to the stage that it says waiting for phone connect.
4. press and hold the back button (which will power your phone on in flash mode) and connect the USB cable to pc.
SEUS should now say "stop pressing back button" or something to that effect.
Click to expand...
Click to collapse
Nothing like this happens in my case. Dont know whats wrong!
Guys, i managed to install Astro File Manager over the air! i did install a few apps to my comp & then to my phone using AFM but not all apps are available to install on the comp! thats the reason i needed Android Market on my phone.
Also, i dont understand why i cant register to google through my phone as i have to use the phone calender.
Guys, it re-installed SEUS & it detected my phone but i again failed! i am dumb!!!
1) Install SEUS (Sony Ericsson Update Service).
You can get it from here: http://www.sonyericsson.com/cws/down...-2.10.6.21.exe
2) Run SEUS, follow the prompts. You don't need to update the phone through it, but get the phone ready for updating. This process should install the drivers necessary for the rooting process.
Note: I suggest you keep your USB cable attached to that USB port. Remember which USB port of your computer it's attached to, as changing USB ports can lead to a bit of confusion for the next 2 steps!
3) To check if #2 was successful, click on Start, click Run, and type: regedit
In the Registry Editor that pops up, click on Computer, press CTRL+F, and search for this: USB\Vid_0fce&Pid_adde\
After it's finished finding, on the right side you'll see DeviceInstance, then it says REG_SZ, then it says something like USB\Vid_0fce&Pid_adde\5&270d2a78&0&3
You'll need that last bit (in this example: 5&270d2a78&0&3 Yours would probably be different). This is your DeviceID (you'll need it soon!)
Click to expand...
Click to collapse
I reached till here & searched for "USB\Vid_0fce&Pid_adde\" but no files were detected!
then i searched for "USB\Vid_0fce&Pid_adde" & i found a file which says-
MatchingDeviceId Reg_SZ usb\vid_0fce&Pid_adde
Thats it! no device ID in front of it!
raj_5004 said:
Guys, it re-installed SEUS & it detected my phone but i again failed! i am dumb!!!
Click to expand...
Click to collapse
Can you clarify, did you get into flash mode for it to install the drivers?
I re-installed SEUS. then I started SEUS, switched off my phone for 30 secs, connected USB cable to computer, then connected USB cable to phone while pressing the back button & kept pressing the back button until the phone got switched ON.
then SEUS asked me to open Notification bar & turn ON USB. i left the back button & did the same. then the screen showed "X10i connected" & your phone is up to date!
then i tried whatever you had mentioned but it was of no use as mentioned in my post above.
Also, SEUS detects my phone only 1 out of 5 times. the remaining times, it takes soooooo long that i have to abort the process & SEUS hangs!
Also, i have noticed that in my SEUS, in the phone models where you have to select your phone, there are two options, both which look like an X10 with names "X10" & "SO-01B". which one should i select? i tried with X10 but failed. then i tried with SO-01B & it dint detect.
You problem is that seus is not detecting your device..
Soln... User a laptop with win xp or vista or 7 32 bit...
Do a complete uninstall of seus. Clean the registry of any seus entries..
Reinstall seus..
Use a different usb port.
Now try..
The device is an x10 unless you your it from japan which if the case is then it is the so-o1.
If you want dump of indian firmware I can help you but I dont think a dump will be of much use to
You..
Chetan
raj_5004 said:
I re-installed SEUS. then I started SEUS, switched off my phone for 30 secs, connected USB cable to computer, then connected USB cable to phone while pressing the back button & kept pressing the back button until the phone got switched ON.
then SEUS asked me to open Notification bar & turn ON USB. i left the back button & did the same. then the screen showed "X10i connected" & your phone is up to date!
then i tried whatever you had mentioned but it was of no use as mentioned in my post above.
Also, SEUS detects my phone only 1 out of 5 times. the remaining times, it takes soooooo long that i have to abort the process & SEUS hangs!
Also, i have noticed that in my SEUS, in the phone models where you have to select your phone, there are two options, both which look like an X10 with names "X10" & "SO-01B". which one should i select? i tried with X10 but failed. then i tried with SO-01B & it dint detect.
Click to expand...
Click to collapse
cvchetan said:
You problem is that seus is not detecting your device..
Soln... User a laptop with win xp or vista or 7 32 bit...
Click to expand...
Click to collapse
Sadly, i dont have a laptop, i am not a laptop person!
Do a complete uninstall of seus. Clean the registry of any seus entries..
Reinstall seus..
Use a different usb port.
Click to expand...
Click to collapse
I tried all the above but in vain!
The device is an x10 unless you your it from japan which if the case is then it is the so-o1.
Click to expand...
Click to collapse
Thanks for confirming that.
If you want dump of indian firmware I can help you but I dont think a dump will be of much use to
You..
Chetan
Click to expand...
Click to collapse
yes, i would like to have the Indian firmware as that would make servicing my phones in India easier!
Can you tell me the disadvantages of having the Indian firmware when compared to the UK one?
I read that even Indian firmware has Android market & even India is getting a upgrade to Android 2.1 along with UK.
I tried using SEUS with different USB port & my phone was detected but again i found no DEVICE ID! the same thing happened which i have written in Post #14.
Is there any other method to find DEVICE ID? i even tried this-
Alternatively, download the file in the next step and extract it, go to the folder called 1st, and run the DeviceID.jar file. It should give your DeviceID
Click to expand...
Click to collapse
It shows a blank screen!!!
raj_5004 said:
then SEUS asked me to open Notification bar & turn ON USB.
Click to expand...
Click to collapse
SEUS doesn't ask you to do that, PC Companion does though. I've never known anyone have such problems getting SEUS to run.

[Q] PLEASE HELP, X10i in 15second boot loop!!!!

As the subject says guys, I rooted my gf's x10i and installed cwm via Flash tool 2.9.1. Was about to unlock the bootloader to install a custom rom when (I swear this was the dumbest moment in my entire life) I clicked the "Optimize button" (FOR NO REASON) I'm on 2.3.3, it said "phone rebooting", my phone did nothing so I disregarded it. however, when I restarted it, the phone went to the sony erricson screen and just shutdown and restarted again and again and again. I booted into cwm recovery but to my horror it kept saying sd card in use when i try to intall a zip from sd (which I learned from this site means it's the wrong ver. cwm for my phone) So the gist is phone restarts every 10-15 seconds, I can't use cwm properly because of the version. and flashtool because it keeps resetting so quickly.
PLEASE PLEASE HELP!!!!
just simply reflash ? or use SEUS to flash stock software ?
i just read it again an saw the part where flashing wont work but i seem to be able to reflash before getting the SE logo ?
Bjornlindekens said:
just simply reflash ? or use SEUS to flash stock software ?
i just read it again an saw the part where flashing wont work but i seem to be able to reflash before getting the SE logo ?
Click to expand...
Click to collapse
Ok so walk me through this because I'm pretty new to it. When you say you reflash before you get to the SE logo. Does the phone have to be in fastboot? (hold back button?) because flashtool detects it and then it disconnects due to the restart. THANKS FOR THE REPLY!!
the way i do it is
1 select what im flashing (then it will tell you to turn off phone etc.etc.)
2 remove battery
3 unplug phone
4 reconnect phone
5 hold back button and keep holding it
6 slide battery in while still holding back button
about 5-10 sec later it should get detected :s
i really hope this helps because i dont think theres anything you can do if you cant even manage to flash the phone :s
ill look for simular problems and/or info :s
---------- Post added at 04:32 PM ---------- Previous post was at 04:29 PM ----------
this might be a stupid question but try recharging the phone a while if your not doing that already .
The charge light doesn't come on and yea with the 15 second restart, as soon as it is detected, like a few seconds later it restars and says disconnected. I looked all over and there is noone I find with a similar boot loop. I tried wiping my data via cwm recovery but same problem.
Ok so this might be a dumb ass thing to ask but I will ne way. If I can get a backup of someone else's x10 would I be able to apply it via cwm? Or will that fail like the zip install?
i've bin looking around aswell and couldnt find any simular problem
so the only thing i can suggest is not keeping this in the X10 Q&A but try the general aswell this might attract more people scouting trough.
but tbh im unable to see any options because as im reading i collected this info.
1) cant fastboot/flash anything (no option there)
2) cant use CWM recovery cause its the wrong version and reads the internal flash memory (called sdcard) but not your external microsd card (called external1???)
(correct me if im wrong on the second one)
if this is the case what else is there ?
Hi, sorry about your problem. I don't know a lot about this phone but ill give you the steps that got me going when I had a different issue.
This was in an email directly from Sony, hopefully it'll help, if not then at least I tried.
To Repair your phone Software, please follow the steps below:
Click on this link to download PC Companion http://www.sonymobile.com/us/tools/pc-companion/ .
Turn the phone off and disconnect it from the computer. Run the Software.
1. No matter what the program says do not connect the phone until you complete step 9.
2. In the welcome screen if asked click on Start, next you will be shown what Media Go offers, click on "next" then you will see a presentation on what Support Zone offers, click on "Finish".
3. In the next section from "Support Zone” and "Media Go" new select “Support Zone" and click on start.
4. On the next page select "Software Update" and click on "Start".
***At this point if you get an error stating that "unable to install update components" or "server is busy”, please proceed to step 12.
5. The program will say that there is no phone connected and will ask you to connect but disregard that and instead choose the option to "Repair Phone". (The program will issue you a warning on the content that you will lose during the update).
that any data saved only in your phone memory will be erased as part of the Phone Repair.
6. Choose Continue.
7. After that, the program will download the necessary information (several minutes) and it will present you with a list of phones.
8. Choose the X10 from the list (close to the bottom of the list) by clicking on the icon for the phone. Then click on "Next". Then you will see a new section telling you how to connect the phone. (Don't connect it yet!).
At this point the phone must be off and disconnected from the PC.
9. Connect the cable to the PC but not to the phone, then while pressing and holding the back key (the one on the lower right part of the screen that has the icon of an arrow pointing to the left on top) Connect the cable to the phone and keep holding the back key until the program says "The update of your phone has started..." (In some cases a message of "Installing drivers" will appear before the message of "The update of your phone has started..." is shown.).
10. If the steps were not followed exactly the phone will turn on and it will request that you "Proceed with the following steps, slide down the notification bar".
happens disconnect the phone from the cable, turn it off and repeat from step 9).
11. If PC Companion proceeds correctly with the update it will tell you to release the back key.
the update to finish and follow instructions on the screen.
12. If you receive the message: “Unable to install update components".
a. Close PC Companion.
b. Install Java from: http://www.java.com.
c. Start Pc companion again and try to do the software unlock process once more
As part of Sony Mobile's commitment to excellent customer service, we offer a wide variety of mobile products to suit your lifestyle. If you require more information, or have any other questions, please visit www.sonymobile.com or call us at 1-866-766-9374.
Hey guys thanks a bunch, I reflashed using flashtool. Apparently once the flashing takes, flash mode stays on (go fig right? lol) I really do wanna say thank you to you guys who helped me esp Bjornlindekens (I hit thanks don't worry )
Hooray happy i could help and glad for ya to getting it running again! !
Sent from my X10 using xda premium

[Q] Xperia X10 OS Reinstall failure

I have been trying to reinstall the OS on X10 using the Sony PC comp and also tried with the Sony Update service but get stuck at the same stage in both.
Everything goes ok till downloading the files from the internet i.e preparatory stage. It then tells me to remove and turn off the phone and reattach while continuously pressing the back key (IMAGE 01). It says to select USB connected and mount the SD card. I am following the instructions to the T but nothing forward happens. I have repeated it over 50 times but no reward. It just does not go into the next stage of installation even after waiting 30-45 mins but sends out an error (Image 2)
I thought maybe xrecovery, OS Monitor, superuser, Antivirus might be interfering so I removed them too. Has rooting got anything to do with it?
Searched Google and here but did not find anyone who has encountered like this.
Any suggestions or solutions would be highly appreciated.
coolestdevil said:
I have been trying to reinstall the OS on X10 using the Sony PC comp and also tried with the Sony Update service but get stuck at the same stage in both.
Click to expand...
Click to collapse
Try the flashtool instead. [GUIDE] All Things XPERIA - Debranding - Rooting & More...
Thanks dude but that's a lot of reading and understanding...wud visit the SE service center.

[SOLVED][Q] Please Help! Verizon S4 stuck after failed OTA update

EDIT: Adding what I did to solve this at the bottom.
Hey everyone. Thanks for your time. I'm new to this forum and in a bit of a panic as this is the first time my phone's been so far gone I couldn't find an easy guide to fixing it. I'm not exactly clueless but I'd say I know enough to get myself in trouble, and this time not enough to get myself out. I'll give you the rundown.
Phone:
SCH-I545
Verizon Galaxy S4
Last stable version of Android was 4.4.2
I wish I had the build numbers or anything but since I was using official tools I didn't take any backup steps
Computer:
Macbook Pro Late 2013
OSX Yosemite 10.10.3
(I also have access to a Windows 7/LinuxMint dual boot machine if needed)
Using OEM USB cable connected directly into the USB on the motherboard.
Until yesterday my S4 was happily running 4.4.2, when I received a notification of a new update. I ran both Verizon updates that came through. The first one finished fine, the second one (the actual Lolipop update) kept failing in the bootloader type screen (Odin mode?). It would look like an android on his back with 'Error!' written out then restart to 4.4.2.
I did a bit of reading and found out that if your phone was rooted and unrooted, it may not take the OTA update. I recalled that I used a one-click style, app-based root a while back, and quickly reverted it because I didn't end up needing root anyway. (I think the logo for the rooter apk was a Greek letter but that's all I remember. It's on my SD card still. If it would be useful I can figure out a way to read the SD card through another phone or adapter or something and figure out the name. I think it was Towelroot but not positive)
So as I researched how to do the update, I read a post that said the Verizon Software Upgrade Assistant would do the job just fine. I figured, since it's a Verizon branded application, I couldn't go wrong. Well, that's where the trouble started.
Everything looked to be going according to plan. The Verizon assistant downloaded the Lollipop update and then began to install it. It booted the phone into what I think is Odin mode and said "Downloading... Do not turn off target!!"
Somewhere in the first third (going by the progress bar) a message popped up on my Mac saying that the phone was unplugged (it wasn't). My phone now displayed a message stating "Software update failed. Your device didn't update successfully. Use the Verizon Software Repair Assistant on a computer to repair your device and complete the update."
Naturally, I attempted to use the Verizon Software Repair Assistant (seems to be part of the same application as the updater) and to my horror found that every time I plug in my phone, the Verizon app crashes immediately! No matter what I do; plug in the phone then open the app, open the app then plug in the phone, app in update mode, app in repair mode, etc., I cannot get the application to keep running when the phone is attached to my Mac. This might be where I did the most damage to myself... In my attempts to clear the crash issue and get the Verizon app working, I clicked something to the effect of "Forget this device" in the Verizon app and all info about my phone was gone. I'm now thinking that included my chance of repairing the broken update, and Kies needs some code to repair from and I think I lost that with the clear
I have not tried the Verizon application on Windows because I can't find it to download it (the phone itself installs the application when you plug it in, but my phone is fried and can't help me right now.) Luckily my wife also has an S4 so when she get's home, I'll be able to try the Verizon application for Windows and see if that can repair.
What I have tried:
Installing Kies on both Mac and Windows and connecting the phone in both "Software Update Failed" mode by simply powering the device on, and in "Downloading..." mode by holding Vol Dwn while powering the device, then saying yes to the confirmation.
I also tried Odin on Windows following this guide – http://forum.xda-developers.com/showthread.php?t=2301259 and I received a missing PIT error.
I found a PIT file and tried it, with the supplied file from the guide, in Odin, but that ends up disconnecting the phone after a second then ending with an error and reconnecting the phone. It wasn't a very descriptive error but I can get more specifics if needed.
Took it to a Verizon store, wasted thirty minutes of my life, left with the same problem and more anger.
At this point I don't want to do more damage so I would really appreciate some advice on how to approach fixing this.
I'd be happy to take any advice and give any further info. Hopefully one of you guys can help me here.
Thanks again for your time and thanks for anyone that might help!!
–––
RESOLUTION
So I was able to get my phone restored and updated to Lollipop, and thanks to my cloud backups I didn't lose my data!
I think my problem was something with my Mac and Phone not getting along together. I'm not sure if it was the Mac version of the Verizon app or some other factor, what I do know is I'm REALLY lucky I have a Windows machine AND my wife has the same phone.
I needed the Verizon app to repair my phone, but I needed the Verizon app on my PC because the Mac version kept crashing when I'd connect my phone. The only source for the Verizon application is to plug the phone into your computer and install it from the phone, which obviously wasn't an option in this case! Luckily I could use my wife's identical S4 to install the utility onto my PC.
Once I was able to do that, I opened the application on my PC, went into Repair Mode by navigating to the Repair tab on the left then selecting Enter Repair Mode or whatever. Then I connected my phone with a clean boot (no special button presses). It was just displaying the error message which instructed me to use the Verizon Repair utility.
After a few seconds the computer recognized the device and it appeared in the list on the repair utility.
I selected the device in the list (it was the only item in the list) then pressed the 'REPAIR DEVICE' button on the right.
It displayed a warning that 'due to the condition of the device' I would lose all of my personal data and settings. I agreed.
The utility then downloaded the latest firmware (the Lollipop update) and proceeded to install it to my device.
After about 15 minutes I had a factory fresh install of Lollipop ready to go!
BONUS, in the initial setup it remembered my settings and automatically offered to restore from a cloud backup. No data loss!!
Hey skullzarmy,
I may be in a similar situation. I to had root awhile back via Towlroot (i think thats the name), received and OTA update. Afterwards checked root with root checker and said No root but SU was found? I assumed I lost root? Now I downloaded the first OTA this morning and it worked. But the second OTA is failing.
I have factory reset my phone and still no worky.
However, I am in the middle of running the Software Repair Assistant as I read your post. We shall see how it goes. Hopefully it does not blow up.
To run the Software Repair Assistant in Windows just plug your phone is and when the prompt appears click the run option. You can install the assistant from there.
Good luck...
Spyke562 said:
Hey skullzarmy,
I may be in a similar situation. I to had root awhile back via Towlroot (i think thats the name), received and OTA update. Afterwards checked root with root checker and said No root but SU was found? I assumed I lost root? Now I downloaded the first OTA this morning and it worked. But the second OTA is failing.
I have factory reset my phone and still no worky.
However, I am in the middle of running the Software Repair Assistant as I read your post. We shall see how it goes. Hopefully it does not blow up.
To run the Software Repair Assistant in Windows just plug your phone is and when the prompt appears click the run option. You can install the assistant from there.
Good luck...
Click to expand...
Click to collapse
Thanks Spyke, I'm just waiting on my wife to get home with her S4 so I can do just that. It's pretty much my only hope. I'm just hoping it doesn't need that device profile that I deleted from my Mac... Good luck with yours! Let me know how it turns out!
OK, quick update. I was able to get the Verizon application installed on my PC and it was able to connect to the phone. It gave me a message saying due to the condition I would lose my data but it would restore it for me. Of course I went with it, so it's doing its thing now. I'll update with how it goes from here.
Please do...in the middle of my repair/update it BSOD my PC and now i think my phone is jacked
Spyke562 said:
Please do...in the middle of my repair/update it BSOD my PC and now i think my phone is jacked
Click to expand...
Click to collapse
Once I got the phone connected to my PC it was smooth sailing.
At what point did you BSOD? What version of Windows are you running?
Glad to hear you got it working!
I think it BSOD somewhere after 50%.
I am on Windows 8.1
Running it again and its a 93% so far.
Phone stuck on Software Update Failed on boot
Spyke562 said:
Glad to hear you got it working!
I think it BSOD somewhere after 50%.
I am on Windows 8.1
Running it again and its a 93% so far.
Phone stuck on Software Update Failed on boot
Click to expand...
Click to collapse
I ran it on Windows 7. Sounds like you are where I was. I'm hoping it was a fluke and pulls through this time! Fingers crossed for you!
skullzarmy said:
I ran it on Windows 7. Sounds like you are where I was. I'm hoping it was a fluke and pulls through this time! Fingers crossed for you!
Click to expand...
Click to collapse
Hey skullzarmy,
looks like keeping your figners crossed help me. After disconnecting my phone, pulling the battery and re-connecting the repair worked and I am back up and running.
Thanks for your help!
Spyke562 said:
Hey skullzarmy,
looks like keeping your figners crossed help me. After disconnecting my phone, pulling the battery and re-connecting the repair worked and I am back up and running.
Thanks for your help!
Click to expand...
Click to collapse
Great news! Not sure I helped but glad we both got our phones up and running again!

[Q] Boot loop after unlocking (bounty eligible)

Okay, so I waited patiently for Lollipop to drop on the Z Ultra C6833 in Singapore -- but apparently this is almost the only country which will not be getting the OTA (I can't even get them to answer on Twitter or FB whether this is true). So, I finally followed Sony's instructions to unlock the bootloader. That succeeded. But then I was presented with a language-selection screen after the subsequent boot which I wasn't expecting, and since I thought I just wanted to just go down into recovery and not set up a refresh ROM, I powered off the device without proceeding through the language selection screen.
Apparently, that was a bad call because I've been in a bootloop since then which triggers after a freeze in the swishy boot animation. I flashed the TWRP recovery image I found on these forums, but no go. The volume up/down tricks have never put me into a recovery environment, and the only thing I can succeed in doing still is putting it into fastboot. Sony PC Companion's recovery process won't complete because it detects foreign software (probably the TWRP recovery, right? -- but where do I get stock recovery, and would that even work anyway? And Emma let me in once, but subsequently refuses to respond to the supplied configuration INI file (I'll try to fully reinstall this thing later).
I love this phone. Best phone I've ever had. My plan is up and I *could* get a new phone, but I don't want to move on! I want my Z Ultra. So, someone hold my hand, please. I am even willing to pay a bounty (via PayPal) for a live chat if that is what it takes to get someone knowledgeable to help me in a timely fashion. I live in Singapore (UTC+8), and I do biphasic sleeping, so I'll also be awake between 1:30am and 4:00am my time. Thanks in advance for **any kind of help!**
Sincerely,
Hopeful and anxious expat in Singapore
Edit: I will pay $60 USD by PayPal to the individual who can provide a productive resolution (preferably write here and be available over chat so I can learn from you -- PM me for Hangouts, Skype, VSee, or Firefox Hello contact details). A "productive resolution" does not mean necessarily that we will fix my phone. It may mean that we conclude definitively that we can't. I will take this thing into the Sony Service Centre and give them my money if I have to, but I'd rather give it to one of you fine folks. I only want to give a few more hours to this. I've already been phoneless for two days.
New information in the continuing saga
Reinstalling Emma didn't help, nor did putting customization.ini in creative locations or pasting the developer mode line from that INI file into other INI files within the Emma directories. So I gave up on Emma until I can get to another computer.
After a user kindly uploaded this SIN file (http://forum.xda-developers.com/xperia-z-ultra/general/bootloader-devices-real-recovery-t3117566) to a fileshare for me, I figured out (here https://android.stackexchange.com/questions/65058/why-custom-roms-are-zip-filed-than-made-as-ftf) that "FlashTool" is not the same as Sony's "flashtool" Emma, so I installed it. It wanted me to put the phone in flashmode -- so I held volume down while plugging in the cable, which never before displayed anything different on the screen, nor a green LED which I've read elsewhere I should be seeing (e.g. http://www.theandroidsoul.com/sony-xperia-z-ultra-flash-mode-51769/). But despite the lack of visual clues, FlashTool told me it connected to flashmode and the flash succeeded. It didn't seem to help at all, though, as I still get the bootloop just as before and I still can't access a recovery mode.
That means that I can apparently get into both fastboot and flashmode, which I wanted to make special note of. Is it possible to access ADB while the phone is powered off?
just download flashtool, install driver in included in flashtool folder.
download also any FTF, generic zultra, dont care if 3g or lte.
flash it, should resolve the issue.
in flashtool, make sure you dont touch and leave the flash option as default. it will wipe your data, cache and everything.
to be safe, remove sim and sdcard.
More information...
curiouso9 said:
just download flashtool, install driver in included in flashtool folder.
download also any FTF, generic zultra, dont care if 3g or lte.
flash it, should resolve the issue.
in flashtool, make sure you dont touch and leave the flash option as default. it will wipe your data, cache and everything.
to be safe, remove sim and sdcard.
Click to expand...
Click to collapse
None of the supplied drivers match the "S1Boot Fastboot" device which comes up in my Device Manager. Also, none of the updated FlashTool Xperia Driver Pack match (http://forum.xda-developers.com/showthread.php?t=2635830), nor the drivers on SonyMobile.com, nor the drivers which come with Sony PC Companion. I didn't have this problem on my other Windows 10 machine, but just in case that is an issue, I'm downloading the Android SDK 1.2.1.1 Beta to see if I get any mileage out of that.
I attempted to flash the FTF supplied here (http://forum.xda-developers.com/showpost.php?p=60958777&postcount=3) but I got the following messages:
INFO - Opening device for R/W
INFO - Start Flashing
INFO - Checking header
ERROR - Processing of loader.sin finished with errors.
INFO - Ending flash session
ERROR -
ERROR - Error flashing. Aborted
INFO - Device connected in flash mode
Click to expand...
Click to collapse
Then I used XperiFirm to download my original .108 firmware and attempted to flash it but got the same errors as above.
Download flashtool
I assume you're on windows 8.1/8 you have to disable driver signature enforcement. Then install the drivers than flashtool will detect your phone.
Flash ftf
You will need to re-root, and you can unlock the bootloader.. After that flash away. Remember to install recovery and back up ta. I'm a noob at this and did it for the first time a few weeks ago, so I know you can do it.
Rockin' and rollin'
RealityFails said:
I assume you're on windows 8.1/8 you have to disable driver signature enforcement. Then install the drivers than flashtool will detect your phone.
Click to expand...
Click to collapse
I'm on Windows 10 -- I wasn't getting any errors, so DSE didn't even occur to me. I disabled it and was able to re-flash stock. Still, I struggled with getting a recovery installed, but after several attempts, and started from scratch a few times, one of them finally stuck. After that, I installed a custom ROM and things are running perfectly.
Thanks!
David
mypetocean said:
I'm on Windows 10 -- I wasn't getting any errors, so DSE didn't even occur to me. I disabled it and was able to re-flash stock. Still, I struggled with getting a recovery installed, but after several attempts, and started from scratch a few times, one of them finally stuck. After that, I installed a custom ROM and things are running perfectly.
Thanks!
David
Click to expand...
Click to collapse
Download rashr and it will have recoveries for you
Disappointment with the Service Center
By the way, when I decided I had been too long without an operating phone (before I got the DSE tip), I took the phone to a Sony Mobile Service Center and had them diagnose it. They concluded that there was a hardware failure rather than a software failure (which would require some 300 SGD to repair). I declined, returned to the office, saw the message about DSE, and was immediately successful in reflashing stock. I took it back to the Sony Mobile Service Center and had them confirm that there was in fact no hardware issue -- and that their diagnosis was incorrect. Thanks for the help folks!

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