[HELP] no wifi, no recognised sim following a faileed TWRP restore - Xiaomi Redmi Note 4 Questions & Answers

[HELP] failed TWRP restore,
now no wifi, no recognised sim,
have factory reset but as no recognised sim or wifi unable to activate then starts to boot loop .
if restore old data and system and EFS. still no wifi or recognised sim
history of problem:
i was on original miui that shipped with phone. had a failed update (OTA) yesterday and lost root. was trying to get root back. but was getting lots of errors so restored system then first restore failed.
not sure if it has deleted the modem partition which needs to be restored but not sure what that partiition is called in miui.
any ideas?

I think there was a problem restoring the 'firmware' partition that caused the problem.

Just flash firmware file and then restore... (Never restore firmware)

I would flash a MIUi ROM via fastboot to make sure that you have a "clean" installation.

Restoring wouldn't work.
Eventually downloaded a new ROM (globe ROM) and installed it

AbuYahya said:
Restoring wouldn't work.
Eventually downloaded a new ROM (globe ROM) and installed it
Click to expand...
Click to collapse
when u reflashed the globe rom did the wifi and sim card work already? i have similar issue

just download the modem files. flash the zip through twrp. everything will be back.

Yo, I've made an How To fix it.
LINK

Hi All,
I see a eye or ra symbol with loading fire on my phone after custom rom installation. could you some one help me what does this means and the phone not starting.
update--
This symbol is of crDroid operating system. Now the problem is i cannot goto TWRP and the system is not booting up.
There is some problem with crDroid operating system. Its been an hour the same eye or ra symbol loading and not booting up. How to stop this can anyone help me on this.
Thanks

Related

LGNPSTing an Encrypted Phone

Hi , I have a question.
Can I LGNPST an encrypted phone.
My device seems to be encrypted and I am not able to boot into the ROM.
I have wiped the device via TWRP , but not I was wondering will I be able to flash Custom roms or stock roms back on it , or Restore backup ??
I am able to boot into recovery though , but the sdcard partition seems corrupted or encrypted.
A help would be appreciated.
EDIT :----------------------------------
This is strange.
I installed CM10.2 and rebooted it works fine , but when I reboot my phone after the CM10.2 has booted up fine , it shuts down .
That is I am only able to boot once after installing Cm10.2 , after which in next reboot the device doesn't boots up.
I have to install Cm10.2 everytime , my device switches off.
Strange .
I encrypted my phone by mistake and LGNPST got me back. I remember .. After flashing it still said phone was encrypted upon bootup and prompted me to factory restore the phone ? Then I went in the recovery and restored my backup
optimusv45 said:
I encrypted my phone by mistake and LGNPST got me back. I remember .. After flashing it still said phone was encrypted upon bootup and prompted me to factory restore the phone ? Then I went in the recovery and restored my backup
Click to expand...
Click to collapse
Thanks for replying.
It appears that mine wasn't accepting any custom Roms, giving the trouble as I described it earlier.
I had to lgnpst the alt bins then flash the stock at&t jellybean Rom.
Its working fine now,
Sent from my LG-E970 using Tapatalk

Phone not booting (Is it soft brick?)

Hei,
I was running 4.3.1 Dirty Unicorns and wanted to flash Smartdroid.
So, flashed Devil recovery and tried to flash the ROM.
It gave me message that there's an error in the zip file.
I was just playing with the options available in the recovery and selected some option, which I don't remember now.
After that, the went into bootloop. "Samsung Galaxy S3 I9300" appears on the screen and the phone reboots again and again.
This loop continued.
The phone could be put in Download mode.
Then, I flashed CWM 6.0.4.4 and flashed 4.1.2, which I downloaded some time back.
It went on well. I could boot the phone and had set it up.
However, I couldn't connect to network.
The IMEI was some default one.
Rooted the phone and tried to restore the backup of efs folder using HC-Ktool.
After restore, when I booted the phone, it didn't boot.
"Samsung Galaxy S3 I9300" appears on the screen and the phone reboots again and again.
I tried flashing the ROM again, CWM again etc etc.
Nothing worked.
In one occasion, after installing CWM 6.0.4.4, I restored from NANDROID backup. Restore was successful.
But, it wouldn't boot.
Same "Samsung Galaxy S3" appears on the screen and the phone reboots again and again.
Once, I flashed Dirty Unicorns ROM from zip via CWM. Still the same.
What is happening and how to solve it?
Any help is greatly appreciated.
Regards,
Babloo
Wipe Data/Factory Reset -> Download mode
Flash latest Android 4.3 from Sammy through Odin, preferably XXUGMK6 or newer.
Hei,
This worked!!!
Thanks.
Why flashing 4.1.2, Dirty Unicorns didn't work and this one worked?
If you can explain, that will be helpful to all.
Now, though the phone is booting, the efs folder is corrupted.
IMEI number is not what it should be.
I have a backup of the efs folder taken using HC-Ktool long back.
So, the ROM on which efs folder was backedup will be different that the ROM I have now. (Does it make any difference?)
Can I just root and restore that efs folder using HC-Ktool?
Thanks for the help!!
Regards,
Babloo
Edit:
If I flash CWM Recovery 6.0.4.4 and restore the NANDROID backup that I took before I started screwing my mobile, will everything be fine?
Sounds like you tried to flash a corrupt file, always check the md5 before you flash.
EFS is totally separate to the rom, format the partition, restore your backup then factory reset should return your imei on the current rom.
Nandroid will not fix the efs, unless you used a custom backup process that included the partition -the default settings would not do this.
Hei,
"format the partition, restore your backup"
For this, can I just root the phone and use Ktool to restore backup?
If you suggest any other procedure, pls give me more info.
-Babloo
Hei,
After the previous post, I could restore my phone from NANDROID backup that I took yesterday, before the whole mess.
After that, I tried to restore the efs folder using HC-Ktool from efs.img.
It gives the message that restore is completed.
But, after reboot, the IMEI remains the same wrong one (the generic 004999...)
The size of efs.img is 20.48 MB.
I tried to restore using the terminal method.
With the command "unmount /efs" I get error message "sh: unmount: not found"
How can I restore the efs and get back my IMEI?
When I tried to "open" the img file in Windows, it couldn't open. It says that the file is corrupted.
Could it have been really corrupted or it is just that Windows is unable to open it?
I restored the efs using the same backup file.
Why is it not working now?
-Babloo
You are trying to skip essential stages and hurry to finish, but your partition is still corrupt -you can't restore anything to a corrupt partition.
Search and read someone who has succeeded doing the same thing, follow their guide exactly.
Hei,
boomboomer said:
You are trying to skip essential stages and hurry to finish, but your partition is still corrupt -you can't restore anything to a corrupt partition.
Search and read someone who has succeeded doing the same thing, follow their guide exactly.
Click to expand...
Click to collapse
I have been searching for a proper procedure to format the efs partition since your post.
Whatever I found didn't work for me.
Can you please point me to any post that you know?
-Babloo
Guys,
Any ideas?
-Babloo

[SOLVED] Please help me I've messed up my rom AND lost root

Hello I was having problems in backing up data in nandroid using cwm recovery. Some nice guy suggested me to change my recovery so I did.
Now i have messed up real bad, i flashed a philz recovery which I had used in a stock based rom and the backup was successful but then the phone couldn't boot up. So i restored the boot patrition from a previously made backup. This way i successfully booted up my phone and got previous recovery. So far so good. Now i knew that the problem is in recovery. I also had a raw kernel file which I had used to flash the cm11 rom so i flashed that kernel. But then i restated device to find out that i have now lost root access. I tried flashing super su via raw kernels twrp recovery but I saw no effect despite it being flashed. I cannot flash the recovery because the curreny twrp recovery crashes when i try to flash that.
Current situation is that I am getting constant unlimited, system process is crashed, errors and I can see no signal from mobile operator. Wifi is working fine.
Please help me, my phone is almost unusable with this error but I have access to all the apps, functions etc. in case you can suggest me to use it.
UPDATE:
Tried to flash a latest version of cm11 and now booted up correctly. root checker says I am rooted.
got latest cwm as well
Now I need to take backup to see if the initial problem is there or not.
As the issue highlighted in this thread is solved, I will mark this as solved and will reply to future problems (related to not being able to backup /data) in the following thread:
http://forum.xda-developers.com/android/help/cwms-nandroid-backup-fails-to-backup-t2899038

No wifi,no sim detected and no bluetooth after TWRP restore!

extractTarFork() process ended with ERROR: 255
This message appeared when I restored my backup.I have 2 backups and the message still appears.
I already unticked firmware and bootloader when recovering but still wifi,mobile data and bluetooth wont work! Im desperate and in need of help! What should I do? I heard some users flashed a firmware but still didnt work for them.
Which TWRP version? Did you use compression when you created the backups?
i have similair problem with my global Redmi note 4. I restored in TWRP and didn't untick the Firmware partition....No i have no IMEI and no baseband anymore after getting same error....
Tried different options to restore but no succes. How to restore IMEI/BASEBAND on my Redmi note 4 global?
any tips? Desperate need of answers as I need my phone.....I have both IMEI numbers on the box....how to re-programm it?
I fixed this problem by dirty flashing my ROM.
just download and flash the modem files. you can find it with a simple google search. flash this in twrp. everything should be back to normal.

SIM not working after erasing all data and flashing stock rom

Sorry to bother you, but I have a little problem and I need your help.
I have Lenovo Phab Plus,
Recently flashed stock rom by QcomDloader
But after that system was taking about 30gb of storage
I was supposed to factory reset but I accidentally erased all by the same flash tool above,
And now SIM not working
I think the solution is to mount modem partition from recovery but the stock recovery doesn't have that option , so I installed TWRP recovery and also rooted according to this link
https://forum.xda-developers.com/android/help/install-twrp-rooting-phab-plus-rooting-t3290347
But everytime I check to mount modem , TWRP returns to default after restarting.
TWRP at first said something about leaving system unmodified for official updates ,but actually I don't know how that could affect mounting.
Could you help me please to fix SIM problem
Thank you and sorry for the long message .
dr_hakam2 said:
Sorry to bother you, but I have a little problem and I need your help.
I have Lenovo Phab Plus,
Recently flashed stock rom by QcomDloader
But after that system was taking about 30gb of storage
I was supposed to factory reset but I accidentally erased all by the same flash tool above,
And now SIM not working
I think the solution is to mount modem partition from recovery but the stock recovery doesn't have that option , so I installed TWRP recovery and also rooted according to this link
https://forum.xda-developers.com/android/help/install-twrp-rooting-phab-plus-rooting-t3290347
But everytime I check to mount modem , TWRP returns to default after restarting.
TWRP at first said something about leaving system unmodified for official updates ,but actually I don't know how that could affect mounting.
Could you help me please to fix SIM problem
Thank you and sorry for the long message .
Click to expand...
Click to collapse
Yeah, I have the same problem. But the Wifi Network also not working!

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