Just want to know before I try a kernel.
Unlocked bootloader shouldn't. be a problem. A modified kernel or recovery etc have however will cause issues with regular OTAs
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I had a Nexus 5X with stock Android 6 software. Android Pay was working fine.
I was having a few lag issues and noticed the final Nexus factory image was available for Android 7 so I decided to unlock my bootloader and install the factory image. After I installed it, Android Pay was still working fine.
Then I received an OTA update for the monthly security hotfixes which I installed. Since doing this, Android Pay doesn't work. It says something about my phone being rooted/unlocked and that Android Pay does not support this.
Can anyone tell me why this is happening? I don't need to keep my bootloader unlocked so if locking will allow me to resolve the issue without losing data then I can do this. Can anyone guide me please?
Try flashing a kernel from The Flash or Franco.
Both have a line of code that should stop the bootloader error in safetynet
Thank you but I don't want to put on any custom stuff. I just want to go back to a stock Android 7.0 ROM that works with Android Pay. I don't need root, or an unlocked bootloader. How can I go back to stock?
You can use something like wugs nexus tool.
Although some have mentioned you can brick your device trying to lock the bootloader.
Personally I have never done it. Others might have more experience.
It may or may not be easier to lock than to use a custom kernel. YMMV.
One benefit of the kernel is increased performance on your phone.
Oh and if you lock your bootloader it will completely wipe your phone. E.g. You will lose your data.
Edit.. Root isn't needed for a kernel either
Start the device in fastboot mode again, as described above.
Execute:
fastboot flashing lock
or, for older devices, run:
fastboot oem lock
Locking bootloader will wipe the data on some devices. After locking the bootloader, if you want to flash the device again, you must run fastboot oem unlock again, which will wipe the data.
Source: https://developers.google.com/android/nexus/images
Ah okay, thanks for the info. What I should have done originally was re-lock the bootloader straight after I flashed the ROM. Unfortunately, I setup the device after flashing the ROM and kept the bootloader unlocked which is why I'm stuck right now. Okay, time to backup my stuff up and re-lock the bootloader. Thanks everyone.
I purchase a 1+3 a week ago. I have everything setup has i wanne but my concern if the phone goes into bootloop or something goes wrong. Would u think im ok woth a locm bootloader or unlock bootloader is a must
Unlocking bootloader is only necessary if you want/need root and other modifications. If you're satisfied with the phone in its current state and only plan to use official ROMs, you don't need to unlock it.
Bootloops an similar issues are very rare on unmodified devices, no need to worry about this.
Besides, you can always factory reset or sideload stock ROM even with locked bootloader and stock recovery.
Sent from my OnePlus 3 using Tapatalk
I want to ask does unlocking bootloader cause any harm to device ? I saw some comments about camera problem and also i want to know does unlocking affect having official updates ?
If you on a official ROM with a unlocked bootloader - you will get any updates. There is no problem with that.
i was wondering if i unlocked the bootloader and installed a custom rom i`m not willing to change soon, can i lock the bootloader again while i have this rom?
iHookar said:
i was wondering if i unlocked the bootloader and installed a custom rom i`m not willing to change soon, can i lock the bootloader again while i have this rom?
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Certainly you can if you are prepared for a bricked device later. I mean, it is not advisable to lock the bootloader if you have a custom ROM since any issues arise later, you will not be able to solve them. In addition, even if you manage to unlock the bootloader again in such a scenario, you will lose all your data including files, photos, videos etc.
If you properly sign the firmware, you don't even have to unlock the bootloader, see https://forum.xda-developers.com/oneplus-3t/how-to/guide-custom-kernels-roms-recoveries-t3572525
Hi,
Long story short:
is it possible to install customROM without root and to (re)lock the bootloader, and are there experiences with a similar situation where Apps check for closed bootloader and root (and stop working if detected)?
=> Goal: activate WiFi-Calling as my provider tuned down 2G-transmitpower due to the 5G-advances (without having enough 3G-coverage to make calls on UMTS-net)... BUT: I'm using two banks; one uses a PhotoTAN-App, that stops working if it detects an open Bootloader, the other Bank-App checks for Root & open Bootloader, and likewise stops working if detected. I have no idea about the PhotoTAN and Magisk, but the 2nd bank confirmed they checked rooted devices with Magisk, and that it does not work with it....
Thus, if I go for a CustomROM, I need to be sure that I can run it unrooted and with a locked bootloader....
Is there a way to install a CustomROM on the 5X with (re)locked bootloader and without root?
(or, if not possible: is there a way I can activate WiFi-Calling on StockROM if said one does not have the Carrier-Entitlements?)
Thanks for the help
@theunlucky: you don't need root to flash a custom ROM, only an unlocked bootloader. IMO you can lock it after flashing ROM.
rp158 said:
@theunlucky: you don't need root to flash a custom ROM, only an unlocked bootloader. IMO you can lock it after flashing ROM.
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Click to collapse
Are you sure about locking the bootloader after flashing a CustomROM? I've read several threads now, and it seems a locked BL only works with StockROM?
Not sure, therefore IMO IMO a locked BL prevents flashing CustomROM, not running. Try. If it doesn't work, you unlock BL again (triggers factory reset). In the worst case you've to flash latest firmware for a clean base..