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Lost WiFi and other features after switching from Slot B to Slot A

I am running stock ROM and have bootloader unlocked and TWRP already installed. The phone was rooted without problems. I was getting an error from Super SU, so I looked up how to fix it online and the suggestion was to install an older version and then try to upgrade it. It was hard to find a zip from a legitimate source but once I found it, TWRP did not show the directory I was looking for (this was previously available when I rooted it). This is where I did something stupid and looked around in the settings and found the Slot A / Slot B option. I switched from B to A and the phone got stuck on the boot animation for several minutes after rebooting. I decided to reboot into TWRP and switched the slot back to B. This brought the phone back but WiFi is off by default and whenever I try to turn it on, it doesn't change.
I have seen a couple of other people mention similar issues about losing wifi after a root or changing the slot. What's the fix? I am wondering if there is anything else "broken" after the slot change and if I should do a factory reset (I would hate to do that as I was almost finished setting up this device). I have also received the error message saying "Process System isn't responding" in the settings menu a few times. It also seems like the finger print scanner isn't recognizing fingerprints any more and face unlock isn't working

One possibility is, that SuperSU isn't that compatible anymore. Magisk does a wonderful job and no problems so far. Maybe you should give it a try and switch from using SuperSU to Magisk.

shagexpert said:
I am running stock ROM and have bootloader unlocked and TWRP already installed. The phone was rooted without problems. I was getting an error from Super SU, so I looked up how to fix it online and the suggestion was to install an older version and then try to upgrade it. It was hard to find a zip from a legitimate source but once I found it, TWRP did not show the directory I was looking for (this was previously available when I rooted it). This is where I did something stupid and looked around in the settings and found the Slot A / Slot B option. I switched from B to A and the phone got stuck on the boot animation for several minutes after rebooting. I decided to reboot into TWRP and switched the slot back to B. This brought the phone back but WiFi is off by default and whenever I try to turn it on, it doesn't change.
I have seen a couple of other people mention similar issues about losing wifi after a root or changing the slot. What's the fix? I am wondering if there is anything else "broken" after the slot change and if I should do a factory reset (I would hate to do that as I was almost finished setting up this device). I have also received the error message saying "Process System isn't responding" in the settings menu a few times. It also seems like the finger print scanner isn't recognizing fingerprints any more and face unlock isn't working
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I had the same issue when I first got my 6 when I was playing around with the slots. Also my original TWRP install for some reason would crash and reboot whenever I plugged in the data cable while in TWRP. I ended up flashing back to stock OOS 5.1.5 through fastboot (used the flash-all command) and then reinstalled TWRP and everything has been working great since then.

MickyFoley said:
One possibility is, that SuperSU isn't that compatible anymore. Magisk does a wonderful job and no problems so far. Maybe you should give it a try and switch from using SuperSU to Magisk.
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Click to collapse
The instructions I followed already installed Magisk to the phone. I wanted Super SU because some of the other chainfire apps like Liveboot and rooted apps like Titanium backup said Super SU is needed (Titanium said Magisk will work but may not be reliable for some newer versions of the ROM). I can live without liveboot but really need Titanium to reliably transfer data from my older phone.
To be honest I didn't know they did the same thing (magisk and Super SU). I am curious now, what if I factory reset my phone and attempted to install Super SU instead of Magisk this time?
If I do a factory reset (let's say I want it just like it was out of the box and I format the data partition as well), will I need to root the phone again? I am asking because I don't know which part of the instructions I should ignore. I am sure TWRP will already be installed after the reset so I would only need to install the extra apps...

You don't have to format data. Just factory reset it. Then use "fastboot boot twrp.img", don't allow modifications, flash a kernel you want (if you want one - I really recommend ElementalX) and then the latest version of Magisk (16.4 BETA currently). Did so - all fine. And yes: Even Titanium Backup works without any issue with Magisk.

We had similar problems with TWRP on the Razer Phone when it was new. We solved the problem by using the TWRP boot image to flash the stock boot image and then flashing a TWRP zip. I just got the OnePlus 6 yesterday and haven't really messed with it yet but everything sounds the same to me so far.

I read more about TWRP and realized what I was doing wrong when the directory with zip files wasn't showing up. When TWRP showed up I was supposed type in my regular unlock password to decrypt storage. When I did that the folder I was looking for showed up. I made a backup through recovery (which took like an hour, may be because the external flash drive I attached was really slow - and the size of the backup was about 12GB). After that I installed the zip file for Super SU, just to see if it worked - it showed the installation was successful but the app was still missing from the app drawer. Now I wanted to factory reset the device and start over.
I went into wipe and there was nothing listed under the wipe screen. I went into Advanced wipe and wiped whatever was selected by default. The selected items were Dalvik / ART Cache, System, Data. There was also "Internal Storage and USB Storage" that wasn't selected.
I swiped to wipe, it wiped everything. Then asked reboot, I rebooted, got a blank screen with white LED for a long time. When I plugged it into the computer it recognized the device as Qualcomm HS-USB Diagnostics 900E (COM4). I rebooted it by holding Power + Volume Up + Volume Down. I tried to boot into boot loader next. This brought me to another blank screen. The computer still makes a noise when it reboots but screen stays black. The only message that shows up is the one saying boot loader is unlocked. Did I brick my phone? This keeps getting progressively worse.

shagexpert said:
I read more about TWRP and realized what I was doing wrong when the directory with zip files wasn't showing up. When TWRP showed up I was supposed type in my regular unlock password to decrypt storage. When I did that the folder I was looking for showed up. I made a backup through recovery (which took like an hour, may be because the external flash drive I attached was really slow - and the size of the backup was about 12GB). After that I installed the zip file for Super SU, just to see if it worked - it showed the installation was successful but the app was still missing from the app drawer. Now I wanted to factory reset the device and start over.
I went into wipe and there was nothing listed under the wipe screen. I went into Advanced wipe and wiped whatever was selected by default. The selected items were Dalvik / ART Cache, System, Data. There was also "Internal Storage and USB Storage" that wasn't selected.
I swiped to wipe, it wiped everything. Then asked reboot, I rebooted, got a blank screen with white LED for a long time. When I plugged it into the computer it recognized the device as Qualcomm HS-USB Diagnostics 900E (COM4). I rebooted it by holding Power + Volume Up + Volume Down. I tried to boot into boot loader next. This brought me to another blank screen. The computer still makes a noise when it reboots but screen stays black. The only message that shows up is the one saying boot loader is unlocked. Did I brick my phone? This keeps getting progressively worse.
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OK good news! I tried one more time and fast boot showed up. I was able to get into recovery. I have the backup so I will try to restore that. I don't know what to do after that. I am thinking wiping without getting into advanced mode.

shagexpert said:
OK good news! I tried one more time and fast boot showed up. I was able to get into recovery. I have the backup so I will try to restore that. I don't know what to do after that. I am thinking wiping without getting into advanced mode.
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When your phone booted straight into that mode with black screen and the led, then you bricked it. Same happened to me 2 days ago. The solution was to use the Msmtool from another thread and it worked great. Just follow the guide. But it will wipe your device. And you have to install oxygenos manually via "local upgrade". If you have a question, just ask

What I ended up doing was restoring from the backup I had. This was the "bad backup" without WiFi and broken finger print and facial recognition. After the restore, I did a normal wipe (not advanced). This reset the phone to factory settings. Once I configured WiFi and signed into my Google account, Google offered to recover from a cloud backup of my One Plus - I didn't know Google made these backups. It downloaded all the apps automatically. I don't know yet if I have sign into all of them all over again.
The bad back up saved my ass, I wasn't even planning on making it. I was just testing the backup feature. That's why you should always do a backup, even if the device isn't in ideal configuration.

shagexpert said:
The instructions I followed already installed Magisk to the phone. I wanted Super SU because some of the other chainfire apps like Liveboot and rooted apps like Titanium backup said Super SU is needed (Titanium said Magisk will work but may not be reliable for some newer versions of the ROM). I can live without liveboot but really need Titanium to reliably transfer data from my older phone.
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I rooted my phone with Magisk and installed the 5.1.6 via OTA (and reroot via installed Magisk Manager). So no need to install TWRP so far.
Titanium Backup runs flawlessly with Magisk (already on my OP 3T and my OP 5).
So give Magisk a try, I never had such an easy and reliable update as the one from 5.1.5 to 5.1.6

Helium is a great alternative to titanium.

After newest update WIFI keeps turning off.

After updating today to the latest official Android Q version 10.3.0 my devices no longer has a working wifi connection. After i try to activate wifi it searches for 3 sec and automaticly turns off. Doesnt detect anything too. Anybody an idea how to fix this?
ive Rooted and have some magisk modules installed, have EdXposed (YAHFA) installed doesnt work anymore tho
main problem is wifi now please help

seems like my devices is completely bugged. Device doesnt get recognizes when connected to pc. only does short vibrate and nothing more.
And MatLog shows bunch of Errors happening....

How exactly did you update?

redpoint73 said:
How exactly did you update?
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I downloaded the zip file from official OnePlus page and updated the device in setting menu by selecting the file.
I have no Wifi problems anymore because i had to factory reset it. nothing worked anymore.

wayse1 said:
After updating today to the latest official Android Q version 10.3.0 my devices no longer has a working wifi connection. After i try to activate wifi it searches for 3 sec and automaticly turns off. Doesnt detect anything too. Anybody an idea how to fix this?
ive Rooted and have some magisk modules installed, have EdXposed (YAHFA) installed doesnt work anymore tho
main problem is wifi now please help
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I have the same problem when i downgrade to Android 9, although flashing to 10 from edl mode fix the problem.

Sim no longer recognized after update and re-root

Hey Guys,
finally updated the software to 10.3.4.GM21AA, and after i updaded (before rebot) i used Magisk to "Install to Inactive Slot (After OTA)" and rebooted.
the machine rebooted successfully and i am still rooted - but no sims, on any of the slots are recognized.
i tried rebooting with/out the sim, tried both slots, and different sims - non are identified.
I did notice that "Sim Toolkit"(app) and the "Sim Cards" and "Prefered sim for" menu option crash, and cannot be started
please assist
EDIT - SOLVED:
the Magisk OOS Call Recorder module was the cause, i removed it and rebooted and everything was solved.
jOnePlus Tools was a good alternative, after setting it up and rebooting, everything works exactly as it did before.

skvalex module is a good call recorder too.

I have the same issue after I rooted and installed Havoc OS.
I've tried to install the Google Framework but no luck still any ideas what else I can try?

Strange behaviour with x522

Hi,
After many months with Lineage 16 installed with no issues suddenly freezes and switched off.
I have checked battery (seems to be ok, unplugged and plugged again), I have updated to Lineage 17.1... same behaviour, updated TWRP, trying clean & dirty installations... no changes. Installed again Lineage 16, wiped all partitions, no changes.
After reboot system hangs and power off. I have noticed the phone is hot when this happens.
In recovery the phone works well with no issues, I can do everything but when reboot to system hangs after the sim lock screen (I have tried without SIM, same behaviour).
Where's the problem? Maybe a hardware issue?
Regards.

SOLVED!
Seems the internal storage was encrypted. I have wiped all partitions before with no success including internal storage but this time I have done 'Format data' which removes encryption. Once finished I have rebooted and everything is working fine.

Stuck on boot screen ! After some magisk updating.

I was working on getting an app not to fail since it kept seeing rooted apps on the phone.
Uninstalled LS exposed and updated current magisk stable.
Went to Zygisk and it didnt work. So I rebooted. It got stuck and finally after a few restarts came back.
installed a safety net fix since that was failing and a hide my apps.
Then I went to update ad-away and it failed.
Double checked modules on magisk and then restarted again.
Well now it is not booting again and stuck on the splash screen.
I am able to get into fastboot and did try rm -rf /data/adb/modules.
But that didnt seem to help, now trying to restart again and again to get it going at least.
Anyone have any idea on what to do?
P.S. I do not have TWRP installed just current magisk and some modules.

Update I wiped the cache and it didnt make a difference

Ok another update, I got it booted. But think it was from plugging my phone into PC with adb active maybe..
Tried to remove modules through adb but it didnt go . but all modules are inactive now.

eracet said:
Ok another update, I got it booted. But think it was from plugging my phone into PC with adb active maybe..
Tried to remove modules through adb but it didnt go . but all modules are inactive now.
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How did you get it booted? Just connect the phone to a PC with adb?

I dont remember, but it was something about being plugged in. It was almost 3 months ago but if I remember it was when I unplugged the phone from the PC

Ah, too bad then, was hoping to get more info in case my phone does it again, thanks for replying anyways!

Update: Not sure if it's exactly what's causing the issue, but I realized after I stopped using Lucky Patxher, I stopped getting this issue.