T-Mobile: broken WiFi and sound after flashing TWRP? - OnePlus 7 Pro Questions & Answers

I've seen a few others post that they've run into this, and I'm wondering if anyone has successfully resolved it. Someone told me that I most likely need to flash the boot.img. The only problem is I'm not sure where to get it for the T-Mobile 9.5.5 OOS. I was thinking maybe it was a Magisk issue, but after uninstalling Magisk, am still in the same boat. Thanks in advance!

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Why is my S7 Stuck on the T-Mobile screen / Doesn't work and how do I fix it?

So, I rooted my S7. It worked fine. One day, randomly out of no where it bootlooped (Google play services crashed. I restarted phone and it bootlooped. )
I have not made a single system modification other then rooting it. Didn't mod anything or mess with system files, and I had barely even been using the phone when it happened.
So I unrooted it (The phone still gave me the "Custom" symbol though) and Just now-- It randomly restarted. I didn't restart it. it just did it by itself. And it came into a bootloop. I don't understand why. What can I do to fix this?
MORE SPECIFICALLY: By Bootloop, I mean it stays on the T-Mobile screen and vibrates every minute or so and does not do anything (I even left it alone for ~ 30minutes and it never got past this screen)
Factory resetting the phone fix's it, but I don't want to factory reset my $400 phone every week! I don't understand how I could fix this either.
What method did you use to unroot? Did you flash stock firmware with odin?
sparky2029 said:
What method did you use to unroot? Did you flash stock firmware with odin?
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All I did pretty much was flash stock s7 firmware. (More specifically boot.img)
Originally couldn't find a stock s7 image then I just used one I already had and it worked fine
EDIT: Flashed the entirety of G930TUVU4APK1 firmware, (Rom and all) Hopefully this will fix my issue and stop it from happening but if Anyone has any ideas or suggestions, I'm all open
Andrew S.S. said:
EDIT: Flashed the entirety of G930TUVU4APK1 firmware, (Rom and all) Hopefully this will fix my issue and stop it from happening but if Anyone has any ideas or suggestions, I'm all open
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Just now noticed wat your problem is sorry for being late so yes to fix the bootloop refladh stock firm and when you go through all the root steps install xposed (yes it's possible it's insane on how they got it to work but it's possible I've done with my self)after getting xposed installed through flash fire go to xposed and get xtouchwiz something it's a blue gear install that And it will set your system status as official
---------- Post added at 02:22 PM ---------- Previous post was at 02:18 PM ----------
Andrew S.S. said:
EDIT: Flashed the entirety of G930TUVU4APK1 firmware, (Rom and all) Hopefully this will fix my issue and stop it from happening but if Anyone has any ideas or suggestions, I'm all open
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Here's a quick explanations of wat i think it is it's becuz you've ether heavenly been modding the phone or if your phone status is custom then that's the problem I had with mine after asking around someone gave me the fix i put it in the other comment hope this fixes your issue it worked for me 2 months of no bootloop I switched to 7.0 vzw beta so I lost root

Need help rooting and custom recovery

Hey all,
I'm trying to root my phone and I keep running into issues.
I followed this thread https://forum.xda-developers.com/oneplus-6/how-to/oneplus-6-unlock-bootloader-flash-twrp-t3792643
and when it comes to the flashing recovery section, I keep ending up in Qualcom crash dump.
I took the advice on another thread and tried using Blu-spark 9.8.6.
Whilst that booted into temp recovery, everything was encrypted and illegible, so I couldn't do anything.
I am on Pie, stock ROM.
How can I get this phone rooted? I was hoping to install xXx.
What info do you need to help me?
Thanks in advance.
EDIT: To be a little clearer, when it boots in temp recovery, it asks me for a password to decrypt the data. I've tried all passwords I know, non work. Hence why it is encrypted.
Even if I work out how to get past the encryption stage, how do I know I won't run into other issues?
Is there a guaranteed root and recovery method for Pie?
EDIT EDIT: Worked it out. I had to turn off security settings. No ****.
Hopefully I don't tun into any more issues. About to flash Magisk.
Ok, phone booted up fine and seems to be rooted with magisk.
One last question.
xXx says that I must have TWRP to flash. I do have TWRP, but it is Blu spark version.
Does that matter?
EDIT: Flashing ROM now. Hopefully all is well.
Thanks anyone who was going to reply to my initial question. Everything seems to be working.

Flash both A/B slots on stock recovery

Sorry if the question sounds weird, it's probably because I don't fully understand this. I know that the OnePlus 6 has two software slots, an A slot and a B slot, and I also have a vague idea about what those slots are doing during an update.
Looking around, I found a thread that recommends flashing software on both slots, saying that it could fix some issues. I'm currently on Oreo, and I'm planning to get back to 9.0.4., but I remember that during 9.0.2. I think, when I was upgrading from Oreo again, I locally installed the same update file twice. I installed it once, everything went well, I went back to the local upgrade menu after the restart, and installed it again. And the phone seemed to be faster for some reason, that's what I'm trying to achieve again.
The thread that I found mentioned how to flash the software on both slots while on TWRP, would locally installing it twice achieve the same effect? Or is there something else that I can do?
Thank you very much in advance
TheMadKing said:
Sorry if the question sounds weird, it's probably because I don't fully understand this. I know that the OnePlus 6 has two software slots, an A slot and a B slot, and I also have a vague idea about what those slots are doing during an update.
Looking around, I found a thread that recommends flashing software on both slots, saying that it could fix some issues. I'm currently on Oreo, and I'm planning to get back to 9.0.4., but I remember that during 9.0.2. I think, when I was upgrading from Oreo again, I locally installed the same update file twice. I installed it once, everything went well, I went back to the local upgrade menu after the restart, and installed it again. And the phone seemed to be faster for some reason, that's what I'm trying to achieve again.
The thread that I found mentioned how to flash the software on both slots while on TWRP, would locally installing it twice achieve the same effect? Or is there something else that I can do?
Thank you very much in advance
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Yupp. Same effect ??
whizeguy said:
Yupp. Same effect ??
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Thank you!

Desperate need of help with my device

I’ll make this short.
I was successfully rooted. But I couldn’t update to 9.5.6.
I updated but it keeps failing. I switch to slot A and I was on 9.5.6 but WiFi didn’t work and apps would crash randomly, and it was laggy. I would go back to slot b and WiFi worked and everything was great but I’m on 9.5.3. And I would try to update again and it would fail and sometimes I would have to have in fastboot and reflash twrp to reboot to restore. I restored the device multiple times, removed root but it still happens. I used to always use android but I was on iOS for years and I’m used to jailbreaking and Apple IOS. Please help me. How can I restore and start from scratch? Or how can I fix this? It’s very annoying. I have my info backed up so I don’t care what I have to do. I love this phone but I had the Verizon iPhone bug when people call me and I answer it fails on there end. Or else I would deal with 9.5.3. All help is greatly appreciated.
You need to read the threads better, it's already been explained that wifi can end up being disabled because the rooted boot.img is older than your current rom version. Flashing one of the kernels available usually fixes this. You can also extract the boot image from the rom you downloaded and patch that boot.img file using Magisk, then when you apply that everything should work correctly.
From reading your post it would appear you're on T-Mobile (US) so you would need to download the 9.5.6 package and then extract the boot.img, then patch that using Magisk and push it to the phone using fastboot, once you reboot everything should be rooted and working.

Bootloop on OOS 10.5.7 (Global)

i just updated to latest 10.5.7 Global version via OTA, and before rebooting installed magisk to the inactive slot, and then rebooting resulted in bootloop..
restored to previous slot in fastboot and tried the OTA process again, and resulted in bootloop again..
now i have switched back to the old slot running 10.5.6..
anyone knows why the process resulted in bootloop, and any fix for this?
tia..
[edit]
resolved now..
Probably your mods. I have done same update resulting NO bootloop
Tracker31 said:
Probably your mods. I have done same update resulting NO bootloop
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thx for the reply.. i dont have any magisk mod installed, apart from magisk itself..
(well theres the built-in systemless host module that i enabled, but i dont think this would cause any trouble as it has been there in the last few updates..)
and the same setup worked fine in the previous 10.5.4, 10.5.5 and 10.5.6 updates..
not sure what went wrong this time..
Try to download update package again. Maybe something broken
Tracker31 said:
Try to download update package again. Maybe something broken
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already tried twice last night.. i had that doubt as well.. seems quite a few indian users are getting the update fast this time, so i thought maybe the wrong indian version was pushed to my device (global version)?
will try again tonight to see if anything changes.. thx..
Anyway it's not update failure, cuz it works for me
Tracker31 said:
Anyway it's not update failure, cuz it works for me
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and your regional version is?
AC01BA
Doesn't matter which version you flash. I crossed flashed 3 times from EU to Global and vice versa. No issues.
Maybe you forgot to auto flash Magisk again after installing OTA. It is also recommended to flash Magisk to inactive slot after installing right away "before" reboot.
lekiaM said:
Doesn't matter which version you flash. I crossed flashed 3 times from EU to Global and vice versa. No issues.
Maybe you forgot to auto flash Magisk again after installing OTA. It is also recommended to flash Magisk to inactive slot after installing right away "before" reboot.
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actually i did remeber to flash magisk to inactive slot after OTA before rebooting.. but seemingly im the only one with this bootloop, so probably certain config in my device caused the issue..
im now in the process of trying the OTA once more, and if this fails again, i shall try to just OTA without patching with maigsk..
if the device then boots, i shall root with magisk from scratch again then..
Strange, and yes must be something system-side. That's why they always say remove modules before flashing OTA or at least disable them. But in my case (only have another font module, iOS smileys and Ktweak) they didn't interfere with the last 2 Ota's. So updating went fine, but i might disable or uninstall them in future OTA's. To avoid such problems you are facing.
You need to uninstall all magisk mods before the update, buy you don't have any installed.
I also believe you need to download the full rom and not incremental. After the update you need to install magisk normally AND also to inactive slot before the reboot.
I haven't installed the latest yet but there previous updates are are installed without issues.
turned out to be a system modification i did back in the 10.5.4 times.. had no problem with it when updating to 10.5.5 & 6, so i totally forgot about its existence.. disabled the mod, updated to 10.5.7, and then enabled the mod again.. now everything is working fine..
Would you mind sharing what it was? I'm about to update and I got some system mods going on that could interfere, and I'm sire I'm forgetting about some too
ASTDEv3 said:
Would you mind sharing what it was? I'm about to update and I got some system mods going on that could interfere, and I'm sire I'm forgetting about some too
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the magisk module created by smali patcher..

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