Convert hd1907 to hd1905 - OnePlus 7T Questions & Answers

So I'm new in to this so dont blame me please, I'm trying to flash my 7t from hd1907 to hd1905 but I don't seem to be able to, also the Qualcomm driver doesn't show up on device manager not matter what I do and MSM doesn't detect the device either. Any help would be very appreciated

в you will be able to flash the global firmware, but your device will remain HD 1907

not true.i just updated to android 12 with the software update on my converted over hd1907 unlocked version and it updated to android 12.1 oxygen os with model number 1901 instead.

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Can any custom rom be installed on the 7t HD 1907when unlocking the bootloader?

I am about to buy an unlocked OnePlus 7t hd1907 from Tmobile, but I am interested in custom roms can be installed after unlocking the bootloader.?
If it's made for your device, sure.
The roms that I find do not mention, only hot dog and I understand that it is HD1901 HD1903 HD1905 does not mention HD 1907. Could it be that it will not work?
Convert to global (in guides section using msm tool and all hotdogB ROMs will work fine: oos10/11, los18.1 (gapps or microG), omni10/11, statix10/11, evoX10/11, derp10/11, dotOS11, yaap 10/11, resurrection remix 10, havoc10/11, aosip10, Xtended10, crDroid10/11, PE+10/11, few GSIs, etc
Thank you for solving my question, you are very kind. could you share the guide to make it global please?
[CLOSED] T-Mobile 7T Conversion to International WITHOUT unlocked bootloader/SIM unlock!
Here is a patched MSM download tool for TMobile OP7T. It will bypass the need to sim unlock before unlocking the bootloader, and will also bypass the need of an unlock token file from OnePlus (hence skip the wait period of 1 week to get the...
forum.xda-developers.com
HueyT said:
[CLOSED] T-Mobile 7T Conversion to International WITHOUT unlocked bootloader/SIM unlock!
Here is a patched MSM download tool for TMobile OP7T. It will bypass the need to sim unlock before unlocking the bootloader, and will also bypass the need of an unlock token file from OnePlus (hence skip the wait period of 1 week to get the...
forum.xda-developers.com
Click to expand...
Click to collapse
thanks a question can you go from the tmobile ROM to the international one in Android 11?
EGMS said:
thanks a question can you go from the tmobile ROM to the international one in Android 11?
Click to expand...
Click to collapse
No, go to oos10 global first using patched msm tool above then update to oos11 global
Thank you
having the same issue flashing android 12 roms to the hd1907.its already converted over from t-mobile to global with last oxygen global 11.09.1 update from june,2022. but if i want to figure how to rom this thing.which twrp will i need as there are two twrp versions on the twrp site for 3.7.0.
mrk2815 said:
having the same issue flashing android 12 roms to the hd1907.its already converted over from t-mobile to global with last oxygen global 11.09.1 update from june,2022. but if i want to figure how to rom this thing.which twrp will i need as there are two twrp versions on the twrp site for 3.7.0.
Click to expand...
Click to collapse
Twrp v1 is for oos11 to flash custom roms from internal SDcard as it can decrypt data on oos11. Twrp v2 is for already-flashed custom rom A12. There is no twrp for oos12 or custom rom A13. You can't decrypt data on A13 or oos12 with any custom recovery. You can still "adb sideload rom.zip" though.

Question Custom ROM to OOS

Hi...
I bought LE2120 chinese version. When I flashed a custom ROM (crDroid) I see my device changed to LE2123.
Now if I want to go back to OOS, what is the procedutre? MSM tool for 2123 is fine?? Will it brick the device?
Use MSM tool to get it back to stock.
vipinpvarghese said:
Hi...
I bought LE2120 chinese version. When I flashed a custom ROM (crDroid) I see my device changed to LE2123.
Now if I want to go back to OOS, what is the procedutre? MSM tool for 2123 is fine?? Will it brick the device?
Click to expand...
Click to collapse
how it is possible? 5g bands for europe unlocked too?
It is just a display bug. Its like that for everyone. You are still on LE2120
I would suggest use the MSM tool that suits more the LE2120, right now thats the indian version one.
Thanks for all your responses. I used MSM tool India option and all back to normal

Question Help please. I lost band 41 support on OOS12 c47 (T-Mobile conversion to global with magisk data module)

I converted my T-Mobile LE2127 to 2125 and took the update to c47. On Android 12 you need the module to get data for the LE2125.
Not exactly sure what to think here. Might have to just flash back to T-Mobile version Android 11 until 12 is released?

Question Need Some Help With Volte & 5G

I bought a tmobile oneplus 9 pro i was able to flash the eu msm tool rom and unlock bootloader was able to flash north america rom from oneplus website installed magisk by following this guide
[OnePlus 9 Pro][ROM][OTA][Oxygen OS] Repo of Oxygen OS Builds
As OnePlus doesn't always provide download links for all of their OxygenOS ROMs & OTA update zips, we've created an index to put the links in one post so that they're easy to find. Note: This is not a support thread for issues you may have with...
forum.xda-developers.com
Which allowed me to follow this guide to restore the modem
[TMO] 9 PRO MODEM RETENTION/DATA FIX
----- With the release of OOS13, the modem issue no longer exist. Thank you all for the support & help with this unfortunate issue, we had to endure.... ----- EXPLICITLY FOR TMOBILE 9 PRO (I'm not responsible for your failure to read or...
forum.xda-developers.com
However I don't have 5g as an option in network just 4g and although i have the volte switch in settings it doesn't do anything
I'd appreciate any help
you have to use oxygen updater and in settings set your device as OnePlus 9 Pro. not EU or India. just the regular one. Then download the latest OTA for that one. the issue is EU for whatever reason took 5G off that ROM. flashing the global version fixes it. You may have to msm first if you flashed the latest OTA already

Question How to change my OP9 pro indian firmware to european ?

So my OP9 pro is a Chinese variant that came preloaded with oxygen OS out of the box but Indian variant, the phone works well except for one problem, it doesn't support 5G where i am ( Dubai using etisalat) while my wife's 9 pro came preloaded with the european firmware and 5G works fine on the same network, is there a way to switch to the latest european build ( C.62) and will i need to do a factory reset ?
thanks in advance.
Mardds said:
So my OP9 pro is a Chinese variant that came preloaded with oxygen OS out of the box but Indian variant, the phone works well except for one problem, it doesn't support 5G where i am ( Dubai using etisalat) while my wife's 9 pro came preloaded with the european firmware and 5G works fine on the same network, is there a way to switch to the latest european build ( C.62) and will i need to do a factory reset ?
thanks in advance.
Click to expand...
Click to collapse
MSM tool and yes it includes factory reset.
Check the 5G frequency is supported on your China varient.
ekin_strops said:
MSM tool and yes it includes factory reset.
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thank you for the reply, where can i download the european version of the latest A12 firmware?
AndyC76 said:
Check the 5G frequency is supported on your China varient.
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Click to collapse
I've seen these before, the phone does support the frequencies of my carrier, but for some reason it wont connect to 5G at all.
Oxygen Updater - Apps on Google Play
Skip staged rollout queues and update your OnePlus device ASAP!
play.google.com
Global rom has 5G I don't think EU rom does. I could be wrong though. I had to switch to Global when I converted before to get 5G. But maybe it has changed since then.
NameIsOptional said:
Oxygen Updater - Apps on Google Play
Skip staged rollout queues and update your OnePlus device ASAP!
play.google.com
Global rom has 5G I don't think EU rom does. I could be wrong though. I had to switch to Global when I converted before to get 5G. But maybe it has changed since then.
Click to expand...
Click to collapse
Of course EU ROMs HAVE 5G.

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