"Currently, no models of Xperia M4 support unlocking the bootloader." - Sony Xperia M4 Aqua

Hi, guys and girls. Recently I was trying to check if M4 has an option to unlock the bootloader. I have model E2333 dual-sim with 16 Gb. It is sim-free. I typed in dialer *#*#7378423#*#* and under Service Info>Configuration>Rooting Status got this: Bootloader Unlock Allowed: No..
After that I went to sony developers web page http://developer.sonym….com/unlockbootloader/. I guessed that maybe international model of M4 (E2303) could have bootloader unlock option, but there is no Xperia M4 in the list of the devices supported by this option.
Then I wrote a messege to sony developers. And here is our correspondence:
Me: Hello. Just was trying to unlock the bootloader in my new Xperia M4 Aqua. But the device is not listed in the list of devices supported by unlocking bootloader in http://developer.sonymobile.com/unlockbootloader/.
Will it be added soon, or, maybe, M4 is not going to get this function at all? And what models of M4 will get an abillity to unlock?
It is very important for me. Please, answer. Thanx a lot.
developer.world: Hi Alex,
If the device was not listed, then bootloader unlocking is not supported for the devices. It’s up to the operator to decide whether or not to allow unlocking of the bootloader. And the setting is pre-programmed into the firmware of the device before it goes to market. There is no way to enable bootloader unlocking after this.
Best regards, Developer World
Me: The problem is that my Xperia M4 is sim free... And the second one is that it is E2333, but E2303 is not listed there too.
developer.world Hi Alex,
Having the Sim card unlocked won’t enable unlocking of the bootloader. Currently, no models of Xperia M4 support unlocking the bootloader.
Best regards, Developer World.
That's it.

Due to written above, I ould like to check if it is true. So, please, could you make the following steps and post the result here?
1. Model number (E2303, E2312, E2333 etc.)
2. Type in dialer *#*#7378423#*#* and then go to Service Info>Configuration>Rooting Status and then look at Bootloader Unlock Allowed YES or NO.
3. In the same place in Service Info>Software Info>S1 Boot version check the version and write it here.
Thanx a lot.

da900 said:
Due to written above, I ould like to check if it is true. So, please, could you make the following steps and post the result here?
1. Model number (E2303, E2312, E2333 etc.)
2. Type in dialer *#*#7378423#*#* and then go to Service Info>Configuration>Rooting Status and then look at Bootloader Unlock Allowed YES or NO.
3. In the same place in Service Info>Software Info>S1 Boot version check the version and write it here.
Thanx a lot.
Click to expand...
Click to collapse
E2303 (Mono-SIM, 8GB)
- Yes
- 1291-8005 S1_BOOT_MSM8936_LA2.0_29

I have the same numbers and also 'yes'

banciii said:
E2303 (Mono-SIM, 8GB)
- Yes
- 1291-8005 S1_BOOT_MSM8936_LA2.0_29
Click to expand...
Click to collapse
Same thing here.

Same here

Also a YES on my 8gb single sim E2303
Sent from my E2303 using XDA Free mobile app

Anyone with different models than E2303?

Does dual model counts? Mine should be arriving tomorrow. Will let you know asap.

da900 said:
Due to written above, I ould like to check if it is true. So, please, could you make the following steps and post the result here?
1. Model number (E2303, E2312, E2333 etc.)
2. Type in dialer *#*#7378423#*#* and then go to Service Info>Configuration>Rooting Status and then look at Bootloader Unlock Allowed YES or NO.
3. In the same place in Service Info>Software Info>S1 Boot version check the version and write it here.
Thanx a lot.
Click to expand...
Click to collapse
E2303 (Mono-SIM, 8GB)
- No
- 1291-8005 S1_BOOT_MSM8936_LA2.0_29
•Phone: Sony XPERIA M4 Aqua (E2303)
•Android: Lollipop 5.0
•Bootloader: Locked
•Baseband: 1.0.J.0.0_8916_M:200806.50.00.504161_A:200806.50.0 0.<build_no>
•ROM: Stock 26.1.A.1.100
•Kernel: 3.10.49-perf-gd76f0c4

romiseklbc said:
E2303 (Mono-SIM, 8GB)
- No
- 1291-8005 S1_BOOT_MSM8936_LA2.0_29
•Phone: Sony XPERIA M4 Aqua (E2303)
•Android: Lollipop 5.0
•Bootloader: Locked
•Baseband: 1.0.J.0.0_8916_M:200806.50.00.504161_A:200806.50.0 0.<build_no>
•ROM: Stock 26.1.A.1.100
•Kernel: 3.10.49-perf-gd76f0c4
Click to expand...
Click to collapse
Where did you buy your device? At an operator (like AT&T, T-Mobile etc.) or at an independent mobile phone shop?

banciii said:
Where did you buy your device? At an operator (like AT&T, T-Mobile etc.) or at an independent mobile phone shop?
Click to expand...
Click to collapse
Hello, my device buy at an independent mobile phone shop.

romiseklbc said:
Hello, my device buy at an independent mobile phone shop.
Click to expand...
Click to collapse
Very interesting situation. No device at sony developers unlock bootloader page. At the same time, some of them are allowed to unlock and some are not. Any users with dual-sim versions like me, please?

da900 said:
Anyone with different models than E2303?
Click to expand...
Click to collapse
Model: E2353 (Xperia M4 Aqua Single-SIM 8GB)
Android: Lollipop 5.0
Bootloader Unlock: Yes
Baseband: 1.0.J.0.0_8916_M:200806.50.00.504161_A:200806.50.0 0.<build_no>
ROM: Stock 26.1.A.1.100
Kernel: 3.10.49-perf-gd76f0c4
Pretty weird model no. I have there... Bought the phone from my telco. They are all forced to sell SIM-unlocked retail models.

Hi there! Finally got my Xperia M4 Aqua dual E2363. Here's what I found:
Bootloader unlock allowed: yes
S1 boot version: 1291-8005 S1_Boot_MSM8936_LA2.0_29

Hi All
Xperia M4 Aqua mono SIM 8GB E2303
Bootloader unlock allowed : Yes
S1 Boot Version :
1291-8005 S1_Boot_MSM8936_LA2.-_0_29

Model: E2303
S1 Boot Version: 1291-8005 S1_Boot_MSM8936_LA2.0_30
Rooting Status: Bootloader unlock allowed: Yes

Model: E2333
S1 Boot Version: 1291-8005 S1_Boot_MSM8936_LA2.0_29
Rooting Status: Bootloader unlock allowed: No

E2333
- No
- 1291-8005 S1_Boot_MSM8936_LA2.0_29
I want root.

My dual E2333 says yes

Related

[Q] Doubt about SOL24

Greetings, XDA members.
I have a Sony Xperia Z Ultra SOL24 model (japanese model of japanese AU KDDI). I was thinking to install a custom ROM (Cyanogenmod), but the bootloader is locked and it is impossible unlock it.
If I change the stock ROM to another stock ROM of other Z Ultra model, can I then unlock the bootloader? If yes, what is it the best stock ROM?
Thank you.
Bruestle said:
Greetings, XDA members.
I have a Sony Xperia Z Ultra SOL24 model (japanese model of japanese AU KDDI). I was thinking to install a custom ROM (Cyanogenmod), but the bootloader is locked and it is impossible unlock it.
If I change the stock ROM to another stock ROM of other Z Ultra model, can I then unlock the bootloader? If yes, what is it the best stock ROM?
Thank you.
Click to expand...
Click to collapse
If it's impossible (bootloader unlock allowed: No), the only thing you can do is send it to Sony.
But I am not sure if you can install roms from c68xx models. Might results a brick.
vovanx500 said:
If it's impossible (bootloader unlock allowed: No), the only thing you can do is send it to Sony.
But I am not sure if you can install roms from c68xx models. Might results a brick.
Click to expand...
Click to collapse
As my SOL24 shows "Bootloader unlock allowed: No", then I will not install any ROMs.
Thank you for the help.

Sony m4 aqua e2353 or e2312?

I know that m4 aqua has problems like heating and low storage.but still want to buy the device. In my country only these 2 models are available.
Which model has less problems?
And can any of the 2 devices be rooted with locked bootloader?
I havent unlocked the bootloader of anyphone so far.so i am not happy with unlocking bootloader as no updates not atleast by sony pcc.
I like to hear from users of the device.
Please reply.
Thanks.
both device has the same problem,root is easier with unlocked bootloader.i dont know about root with locked bootloader,but i think it possible..the different between e2353 and e2313 is the lte support,e2313 does not support lte,that all the different
you can root in locked bootloader with RootkitXperia M4_E23xx_26.1.B.1.85 @cubeundcube
fshareDOTvn/file/567874NN342Q
Only stock rom M4_E23xx_26.1.B.1.85

[HELP]Unlocking Sony Xperia M4 Aqua bootloader [HELP]

Hi people of XDA,
I'm looking forward to unlock my phone's bootloader, but unfortunately in the service menu, the status of my phone says "Bootloader Unlock Allowed=NO"
Is there any way to change the "NO" to a "YES"?
Additional informations:
My phone is SIMLOCKED to a carrier
I have the 16gb model (E2306)
I have already contacted Sony, but they can't do anything
Thank you very much!
I think u can not do anything.
No, you can't unlock it. There is no way to do that with Bootloder unlock allowed: NO.
same for me, i have the e2303, is there a way to root it? or there's something we can do?

Noob needs help unlocking bootloader/rooting Xperia M4 :/

So I know this has been asked a million times before, unfortunately I'm way too unfamiliar with flashing/rooting etc to understand what most threads try to explain.
It would be so awesome if somebody could answer my questions in the simplest possible language.
Right off the bat I must say that I have a Sony Xperia M4 Aqua E2306, and almost all instructions that I find reference other variants of this device. So would they be
compatible with my phone?
All I need is to get plain and simple root on my phone. I do not need a custom recovery or anything like that (unless of course it is necessary for rooting).
Here is all the info about my device that I think may be relevant:
Sony Xperia M4 Aqua, E2306, originally with Fido (Canada), now network unlocked.
Android version: 6.0.1
Build number: 26.3.A.1.33
In the service menu, it says "Rooting Status: Bootloader unlock allowed: No."
First, do I need to unlock the bootloader to be able to root my phone? If so, is there is really no way to unlock it on my device?
Second, could someone point me to a thread with a rooting method that would work specifically on my device, based on the info above (and unlock the bootloader, if applicable)?
Thank you

Locked Bootloader SOV36

Hey Guys,
I don't speak really good English but I will try my best to describe my problem because I really need your help.
I bought a XZ1 with Version SOV36. The bootloader is locked. Also if I look in the Service Info via "*#*#7378423#*#*" it's written "Bootloader unlock allowed: No". I activated the OEM Bootloader unlock in the developer options but I don't think that this will have any impact.
I need to install any standard Rom without the massive bloatware i got on this phone. A lot of it is not deactivateable. I tried to install a custom kernel but i can't get into the bootloader. So I also can't install twrp or magisk or root or anything else. I found the device via "adb devices" but if I run "adb reboot bootloader" the phone reboots with black screen and a blue LED. No further commands are working or getting any connection via adb after this happens. I tried a lot of ways written down in this forum how to get it done but none of them worked.
The Build-Number is:
47.2.C.1.126
Kernel Version:
4.4.148-pref+
#1 Tue Sep 17 10:47:56 2019
Security patch:
1. October 2019
Thanks a lot for your help!
As it is the "odd ball" version of the XZ1 and the Service Menu says no to the bootloader being unlocked but maybe some one will pop in with a bit more info..
But in the meantime have a read over here.. https://www.liberamenteweb.it/en/gu...ed-apps-from-android-9-sony-xperia-xz-premium , it will help you with your bloat ware issue...
and have a look here.. https://forum.xda-developers.com/xp...devonly-exploits-temp-root-to-backup-t3795510
For others which may have the same problem:
https://king.mineo.jp/my/kangetsu/reviews/item/35887
Here you could find a list of packages you need to uninstall if you want to completely remove the AU-Bloatware.
I'm still looking forward to a solution which could help to unlock the bootloader but didn't find one yet.
N1C200884 said:
For others which may have the same problem:
https://king.mineo.jp/my/kangetsu/reviews/item/35887
Here you could find a list of packages you need to uninstall if you want to completely remove the AU-Bloatware.
I'm still looking forward to a solution which could help to unlock the bootloader but didn't find one yet.
Click to expand...
Click to collapse
Did you read my 2nd link...
Sov36
I got a unit too recently. My tethering and volte is disable outside Japan. I wondered if it is an au kddi problem or my network. I have not installed bootloader on any unit for some time. It is possible with this model?
Pispirit said:
I got a unit too recently. My tethering and volte is disable outside Japan. I wondered if it is an au kddi problem or my network. I have not installed bootloader on any unit for some time. It is possible with this model?
Click to expand...
Click to collapse
OH No bootloader unlock --- no custom ROM ---- only run stock ROM
nqdan2992 said:
OH No bootloader unlock --- no custom ROM ---- only run stock ROM
Click to expand...
Click to collapse
I have SOV36 with bootloader unlocked. You have to check if bootloader is unlockable. I hope this helps.
sinkoo1979 said:
I have SOV36 with bootloader unlocked. You have to check if bootloader is unlockable. I hope this helps.
Click to expand...
Click to collapse
I checked it is "bootloader unlocked NO". How to unlocked ?????
nqdan2992 said:
I checked it is "bootloader unlocked NO". How to unlocked ?????
Click to expand...
Click to collapse
Try downgrading to first version of Pie for SOV36. I unlocked on when it was on first version of Pie. Give that a try.
sinkoo1979 said:
Try downgrading to first version of Pie for SOV36. I unlocked on when it was on first version of Pie. Give that a try.
Click to expand...
Click to collapse
if its written as "no" then it will remain in that state no mather downgrade or changing to another version of firmware.
Hey guy i'm from cambodia i just bought XZ1 (SOV36) new inbox turn out my worst nightmare is that it's bootloader locked so i search for ages try to find solution to unlock my bootloader
turn out this tool that i'm taking a risk cost me about 30$ did actually work on bootloader
it's network unlock tool but it's also unlock the bootloader
it's call qunlocktool (s1 unlock tool)
trusted website to buy credit and download tool
https://bit.ly/300KN84
yes : you can unlock bootloader with unlocked sim card
Original reddit post miracle
shorturl.at/CELM0
this is the proof that i asked him about bootloader
shorturl.at/cdsMQ
Can't having stereo sound speakers and headphones set just mono sound
Hello all of you I'm sorry i am not very good at english., i just want to asking all of you why my sony xperia xz1 can't have a stereo sound in speaker and headphones set only mono.. Can someone have the answer.. I have try service info *#*#7378423#*#* left and right speaker but i remain no separate stereo sound
The Build-Number is:
47.2.C.1.126
Kernel Version:
4.4.148-pref+
#1 Tue Sep 17 10:47:56 2019
Security patch:
1. October 2019

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