将您的手机从官方的Android Pie降级到2018年的Android8.1
This doesn't require unlocked bootloaderI was having issues with android pie like i was not able to make carrier video calls etc. due to google duo integration into phone app.
So i needed to downgrade my phone from pie to earlier version of android oreo (before july 2018 security update)
Here is how i did it
Download Rollback WW 2.13B Android 8.1 April 2018 (B2N-213B-0-00WW-B05-update.zip)
https://www.androidfilehost.com/?fid=890278863836296092
credit @edwaine
Copy the downloaded file to your sd card and save it where u can easily access it.
Enable usb debugging
download adb drivers
Try installing it if its shows timestamp error and downgrading not possible then follow the instructions below:-
For going into fastboot mode, either press Power+Volume down or type adb reboot bootloader
credit: @grubber24
First check active slot, by
going to fastboot mode and type fastboot getvar current-slot
Then change your active slot, type fastboot --set-active=a or fastboot --set-active=b according to your current slot.
Then go to recovery mode by pressing volume up+ power button
select sideload from sd card . Install the ota file downloaded from the first link. Restart your phone.
it will take some time to load for first time. But it will work
PS: Do a fresh install. I wiped all the data to factory mode then installed the OTA and i have successfully downgraded from Pie to oreo april 2018. See screenshot attached.
Hope it will help you.
Kindly confirm if it works for you too.
转自:XDA
原文地址
万能213B
度盘:链接: https://pan.baidu.com/s/12-6wow3_cD35esndgoQjOA 提取码: r92z
AndrodFileHost:
https://www.androidfilehost.com/?fid=1322778262904009092
Google Drive:
https://drive.google.com/file/d/1RJr4Qm0rvm-gxTrU8tHRnDpMITEgNvdT/view?usp=sharing
希望nokia发现的越晚越好 谢谢分享!我就是来看看!顺便支持楼主发帖!楼主您发帖辛苦了! 感谢分享教程 好累楼主发帖 自从回锁以后,升级后国行版装不了国际版安卓普pie 谢谢分享!我就是来看看!顺便支持楼主发帖!楼主您发帖辛苦了! 你好 可以通过874从P降级吗? slen 发表于 2019-9-15 20:18
你好 可以通过874从P降级吗?
339b后的版本之下213B.B05已无效 门卷一被子 发表于 2019-9-16 15:34
339b后的版本之下213B.B05已无效
有没有这个全量包的链接? slen 发表于 2019-9-16 16:11
有没有这个全量包的链接?
这个帖子2楼能下载,我已经说了339b版本后 213B.B05已无效,毫无意义
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