Flash XQ-AT42 or XQ-AT52 on XQ-AT72 - Sony Xperia 1 II Questions & Answers

I have a XQ-AT72 which is China version with 12GB RAM. Tried to flash firmware of Japan (AT42) with newflasher but it resulted in my device being corrupted. After that, I flash the AT72 rom again but no help. Anyone succeeded on flashing customized firmware on this variant of 1ii?

Now I successfully loaded the firmware of SEA to my phone, it can detect SIM card but there is no signal. Does anyone know which file in the firmware is the modem file? I will try copy it to the rom and flash again. Thanks.

*#*#4636#*#*
Go to phone information
Next click upper right 3dots and select Radio Band
change network to automatic.
This might help

tatdatnt said:
Now I successfully loaded the firmware of SEA to my phone, it can detect SIM card but there is no signal. Does anyone know which file in the firmware is the modem file? I will try copy it to the rom and flash again. Thanks.
Click to expand...
Click to collapse
Were you able to solve this?

same issue xq-at42 or 72 convert to global model XQ-AT51, 52 flash successfully but no signal and cannot trun on radio in *#*#4636#*#*

same issue no signal after convert AT 72 to 51 or 52. Any Idea? Thanks

Having the same problem here too. Any idea?

Related

Need Baseband For Australia [telstra]

i finally got a stock RUU on my phone to work , however there is a Unkown baseband and im not able to connect to any network not even wifi, i'd like a baseband that is either for unlocked devices or for Australian Telstra.
I have a 64 bit model A11UL if you need any other info let me know
Vmo x said:
i finally got a stock RUU on my phone to work , however there is a Unkown baseband and im not able to connect to any network not even wifi, i'd like a baseband that is either for unlocked devices or for Australian Telstra.
I have a 64 bit model A11UL if you need any other info let me know
Click to expand...
Click to collapse
Where did you get the stock RUU from?
blaqueknight said:
Where did you get the stock RUU from?
Click to expand...
Click to collapse
from this site... it was not meant for my Version of phone but some how i got it to work.... anyway i just need to be able to flash a working base band -.- even if its not for telstra just so wifi works and i can update my apps so i can connect to HTC sync which should fix it all through system update i have a backup on HTC sync so hopefully that works......

Flashing Full T-Mobile Firmware Onto Verizon S8-G950U ??

Hi I'm trying to flash the T-Mobile firmware from sammobile.com, but whenever I try, I get an error at 32% when it says Installing System Update. I attempted to flash CSC,AP,BL, and CP with it saying PASS in Odin. I really need the T-Mobile firmware and am wondering if it is possible to do? I determined that I cant install CSC files and get the error when I try. Any Solutions?
SM-G950U
Odin 3.12.3
T-Mobile Firmware:
PDA: G950USQU1AQD9
CSC: G950UOYN1AQD9
I'm having the same problem with an ATT phone flash with the US "U" unlocked version firmware. When I don't flash the csc it will start up only with the USB plug in but shut down after the beginning startup
Search for a "modified Odin". It was what I used to be able to flash unlocked firmware on a 7 and 7 edge a few months ago. The "normal" Odin wouldn't let me do it, but the modified one did. Though you may need to wait until it's been updated....I haven't checked it in awhile.
Still no solution to avoid the error to 32%?
Try this Odin. This is the one I used to flash the Canadian firmware on mine.
I managed with odin version 3.12.5! But only with BL AP and CP!
When I add CSC I get the error at 32%!
So a priori everything works, I no longer have the Verizon overlay (nor the logo at startup) more by cons I have duplicates in the settings menu ...
What is the CSC file?
bsharp8 said:
Try this Odin. This is the one I used to flash the Canadian firmware on mine.
Click to expand...
Click to collapse
The Canadian firmware you got it or? On sammobile I find it not:
https://www.sammobile.com/firmwares/galaxy-s8/SM-G950U/
The Canadian firmware is stock or operator?
I would have access to all the bands?
Its the firmware with the "w" at the end. Please read this thread for all the information on doing this and make sure you want to do it.
https://forum.xda-developers.com/galaxy-s8/how-to/rd-carrier-switch-root-snapdragon-t3597473
bsharp8 said:
Its the firmware with the "w" at the end. Please read this thread for all the information on doing this and make sure you want to do it.
https://forum.xda-developers.com/galaxy-s8/how-to/rd-carrier-switch-root-snapdragon-t3597473
Click to expand...
Click to collapse
so to do this we actually have to go to the canadian firmware first, do the csc change then flash the Tmo firmware? You can't just flash the Tmo Firmware via the modded Odin? Just to save confusion.
I would imagine it's worth it just to get the proper network options, VOLTE, WiFi calling and such.
How To Flash To T-Mobile
dbpaddler said:
so to do this we actually have to go to the canadian firmware first, do the csc change then flash the Tmo firmware? You can't just flash the Tmo Firmware via the modded Odin? Just to save confusion.
I would imagine it's worth it just to get the proper network options, VOLTE, WiFi calling and such.
Click to expand...
Click to collapse
This is the exact thread that I used. Follow the steps and you can skip engboot. If you flash the full Canadian firmware, its impossible to reverse. So, only flash whatever is in the steps. I successfully went from Verizon To T-Mobile and then back to Verizon. https://forum.xda-developers.com/galaxy-s8/how-to/switch-to-carrier-firmware-100-t3609487
This tread also helps, who wants to flash their phones: https://forum.xda-developers.com/galaxy-s8/how-to/snap-guide-flashing-standard-fw-carrier-t3625817

ATT Note 8 on Verizon MVNO (Total Wireless) no 4G/LTE

I have a ATT Note 8 that I got the unlocked (with a the unlock code from ATT) and I have activated it on Total Wireless. I have been able to get the 3G, voice and texting to work, but I can't seem to get the 4G to work. I thought that it should work straight away, but that doesn't seem to be the case. It is a SM-N950U with firmware version N950USQU4CRF3. I tried to Odin flash the verizon firmware, but I could not get it to take (Odin refused/failed.)
If anybody could help me with this, I would appreciate it.
i have unlocked att note8, it works fine on LTE with Verizon Prepaid, 40$ for 6gb LTE data.
you have to flash a Verizon firmware with bootloader 4.
i like the unlocked firmware better, it has LTE+ to shows it connected to LTE Advanced and build in caller ID.
If you could link me to the correct firmware, that would be awesome!
here's the unlocked firmware.
https://forum.xda-developers.com/showpost.php?p=77030285&postcount=1846
When I try to flash it, it fails. https://gyazo.com/c4fd1438dee3d7f2fae1471e255763e0
Any idea why it's failing?
cyhax said:
Any idea why it's failing?
Click to expand...
Click to collapse
Which Odin did you use?
Comsey Odin or regular Odin?
Did you read the op of that link he gave you?
What's your bootloader version? Does it match or higher then the one you are flashing?
Bootloader version is the 5 number from the right of the baseband version number in about phone/software info.
BluePhnx said:
Which Odin did you use?
Comsey Odin or regular Odin?
Did you read the op of that link he gave you?
What's your bootloader version? Does it match or higher then the one you are flashing?
Bootloader version is the 5 number from the right of the baseband version number in about phone/software info.
Click to expand...
Click to collapse
I was trying to use the patched Odin 3.13 as well as Prince Comsy's Odin (both fail). The guide didn't really describe the firmware version I was running, so it was a bit hard to understand. I have bootloader 4. I have tried the firmware he linked to and I tried the latest Verizon firmware downloaded from SamFirm. Looking at the name of the firmware files, they are bootloader 4.
Thank you
I was finally able to get it to flash using a friends computer. Unfortunately all of the att stuff is still on the phone, I still have no access to 4g lte.

How to go to unlocked firmware on Binary Version 5, after sim unlock

I purchased a sim unlock service to get my Note 8 off the Sprint network. However, every time I restart the phone it tells me to insert the service provider original UICC and it constantly tries to setup my service then fails as I do not have a Sprint card in it.
Just to clarify, my ATT card does but I want to install either unlocked firmware or ATT firmware to get the best signal. However, I cannot find either with the binary 5. (U5)
If someone could point me in the right direction I would appreciate it.
I have already looked at the Carrier switching guide, and it does not have the correct files for the binary 5 version.
cGDeadly said:
I purchased a sim unlock service to get my Note 8 off the Sprint network. However, every time I restart the phone it tells me to insert the service provider original UICC and it constantly tries to setup my service then fails as I do not have a Sprint card in it.
Just to clarify, my ATT card does but I want to install either unlocked firmware or ATT firmware to get the best signal. However, I cannot find either with the binary 5. (U5)
If someone could point me in the right direction I would appreciate it.
I have already looked at the Carrier switching guide, and it does not have the correct files for the binary 5 version.
Click to expand...
Click to collapse
This is the version 5 bootloader just flash it with the patched version of odin..
https://androidfilehost.com/?fid=5862345805528058769
MrMike2182 said:
This is the version 5 bootloader just flash it with the patched version of odin..
https://androidfilehost.com/?fid=5862345805528058769
Click to expand...
Click to collapse
And this will install unlocked firmware? I am on Sprint firmware right now.
I tried to flash this. I get abl.elf.lz4 complete(write) operation failed.
EDIT never mind it works. didnt use correct patched odin
cGDeadly said:
And this will install unlocked firmware? I am on Sprint firmware right now.
I tried to flash this. I get abl.elf.lz4 complete(write) operation failed.
EDIT never mind it works. didnt use correct patched odin
Click to expand...
Click to collapse
You're welcome.

SM-G977B - Flash to BTU not working but ODIN Passes

Hey all
Strange one here, i have a SM-G977B (S10 5G on EE UK), i have unlocked it and trying to flash BTU firmware on it via ODIN (download fw from sammobile)
It flashes ok and passes but when phone starts up its CSC is TEL! (Australia!!)
I have re done the flash with XEU and still the same. firmware version says TEL/TEL/EVR in settings
any ideas on this? can this model be flashed to a different region? i want it on BTU not EVR (EE UK)
tried few versions of ODIn too, and left all check boxes default
Thanks
ok, i have reflashed the latest EVR firmware back to the phone and it has taken this fine
Wonder why it doesnt like BTU or XEU?
What firmware files were you trying to flash specifically?
Sounds like you downloaded the wrong one. What are the names of the firmware files you flashed?
the_scotsman said:
What firmware files were you trying to flash specifically?
Sounds like you downloaded the wrong one. What are the names of the firmware files you flashed?
Click to expand...
Click to collapse
Hi
Tried these
https://www.sammobile.com/samsung/firmware/SM-G977B/BTU/download/G977BXXS2ASJ7/299842/
https://www.sammobile.com/samsung/firmware/SM-G977B/XEU/download/G977BXXS2ASJ7/299840/
The above all flash on in Odin, but when the phone starts (even with uk sim in the phone) it defaults to Australia language and 2x Telstra apps install automatically, software info says tel/tel/evr
I then tried this one:
https://www.sammobile.com/samsung/firmware/SM-G977B/VOD/download/G977BXXU2ASJ5/299590/
And the above install the 2x Vodafone uk apps automatically which is fine as I am on Vodafone uk but in software Info is still says vod/vod/evr
What my issue is now is I don’t seem to get 5g on this phone even though I’m on a a 5g contract and has worked previously on a note10+ 5g handset.
Is this handset 5g modem locked to ee?
bigup7 said:
Hey all
Strange one here, i have a SM-G977B (S10 5G on EE UK), i have unlocked it and trying to flash BTU firmware on it via ODIN (download fw from sammobile)
It flashes ok and passes but when phone starts up its CSC is TEL! (Australia!!)
Click to expand...
Click to collapse
Did you enable OEM unlock in developer options before flashing?
I am waiting for delivery of an EE branded S10 5G tomorrow and planned to flash BTU firmware
dezborders said:
Did you enable OEM unlock in developer options before flashing?
I am waiting for delivery of an EE branded S10 5G tomorrow and planned to flash BTU firmware
Click to expand...
Click to collapse
Didn't think I needed to.
Gave up and went back to evr firmware.
Lmk how you get on please
bigup7 said:
Didn't think I needed to.
Gave up and went back to evr firmware.
Lmk how you get on please
Click to expand...
Click to collapse
OK, well I have always had to do that to change CSC via FW flash since the S9 range was released in 2018.
I am waiting for postman to deliver my S10 5G today so will try to flash BTU with OEM Unlock enabled, and let you know the outcome.
(If it doesn't work for me, i will do same as you and flash a network specific FW via Odin - H3G is my network provider).
bigup7 said:
Didn't think I needed to.
Gave up and went back to evr firmware.
Lmk how you get on please
Click to expand...
Click to collapse
Didn't work ended up with TEL CSC code so just flashed latest H3G
dezborders said:
Didn't work ended up with TEL CSC code so just flashed latest H3G
Click to expand...
Click to collapse
If you go to software information in settings, does it say h3g/h3g/evr?
bigup7 said:
If you go to software information in settings, does it say h3g/h3g/evr?
Click to expand...
Click to collapse
Yes exactly. My product code is also SM-G977BZAAEVR, so its always going to be an EE UK handset
Hello,
I have the same phone (SM-G977B), I exchanged it with someone in Shanghai (without a box, stupid me)
It was rooted with some CHC firmware (which did not let me download any Google play services), I tried to root the phone (my first time) and ended up re-locking the bootloader.
Later on, while trying different things, I ended up deleting the firmware from TWRP (as I formatted the data, cache folders/directories) as it was not booting up (bootloop on Samsung logo).
Long story short (and rather sad and stupid):
I have a brick phone which has no SD card slot, No OS installed, I do not know the original CSC (except that it was bought in some country in Europe), other firmwares does not flash with Odin (gives me Repartition error failed error), I am unable to mount the device (thought I could transfer the firmware using MTP), I can not change TWRP (downgrade or upgrade) as disk won't mount (for some reasons). I have formatted the disk, changes its format to ext4, ext2 etc.
Any ideas?

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