One Plus 7 Pro (GM1910) Hydrogen OS to Oxygen OS - OnePlus 7 Pro Questions & Answers

Hello everyone,
I have just bought my OP 7 pro (GM1910) in China and it came with Hydrogen OS 9.5.9. GM21. I have downloaded the latest Oxygen OS 10.3.0. GM57AA from the official website, but when I try to flesh throughout the local storage I get "System update installation failed" and I can't see the changelog.
Could anybody give me suggestion on how to upgrade to Oxygen OS:
I have tried:
Wiping cache
Factory Reset
Downloaded two different packages

cera22 said:
Hello everyone,
I have just bought my OP 7 pro (GM1910) in China and it came with Hydrogen OS 9.5.9. GM21. I have downloaded the latest Oxygen OS 10.3.0. GM57AA from the official website, but when I try to flesh throughout the local storage I get "System update installation failed" and I can't see the changelog.
Could anybody give me suggestion on how to upgrade to Oxygen OS:
I have tried:
Wiping cache
Factory Reset
Downloaded two different packages
Click to expand...
Click to collapse
Try fastboot method

madsponge26 said:
Try fastboot method
Click to expand...
Click to collapse
Thank you.
Are there any instructions on how to use fastboot to update one plus 7 pro because I am scared that I will brick my device.

@cera22 THREAD CLOSED as a thread of this subject already exists, to which above posts have been copied:
https://forum.xda-developers.com/oneplus-7-pro/help/op7pro-bad-wrong-upgrading-hos-to-oos-t4031763
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Related

Nougat / Nexus launcher 2016

Mod edit: link removed.
-This is gonna be the latest and smoothest / fastest launcher of 2016.
-This is also compatible with the lowest versions of android
-I have installed and successfully running this launcher on android 6.0.1 (marshmallow).
*Note: To get left google slide out u have to download and install the google app from play store.
-Leave a comment below if this successfully runs on os even down the marshmallow.
-Download Links are posted on youtube.
There is already a thread for this here:
http://forum.xda-developers.com/android/apps-games/nexus-launcher-unreleased-t3431510
From our forum rules:
5. Create a thread or post a message only once.
As a large forum, we don't need unnecessary clutter. You're free to edit your message as you like, so if you do not receive an answer, revisit your message and see if you can describe your problem better. Not everyone is online at the same time so it might take a while before you receive an answer. (Also refer to Rule 16)
Click to expand...
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Thread closed.

downgrade from pie to oreo

Hello,
I am using official pie rom for 2 months, and it really has many bugs. Also my battery life considerably reduced. That's why I want to downgrade my phone to official stock Oreo.
I didn't root my phone, and I don't know what I have to do for this operation. I got my CID, it says "HTC__622 / Asia-HK-CHT".
Please help me about downgrade my phone to good old Oreo.
Thank you!
myolgiden said:
Hello,
I am using official pie rom for 2 months, and it really has many bugs. Also my battery life considerably reduced. That's why I want to downgrade my phone to official stock Oreo.
I didn't root my phone, and I don't know what I have to do for this operation. I got my CID, it says "HTC__622 / Asia-HK-CHT".
Please help me about downgrade my phone to good old Oreo.
Thank you!
Click to expand...
Click to collapse
What worked for me was I had to install twrp, then root and then I followed the guide provide by Ryug at
https://forum.xda-developers.com/u11/help/htc-u11-downgrade-pie-to-oreo-t3962791/page2
Hth
hammered58 said:
What worked for me was I had to install twrp, then root and then I followed the guide provide by Ryug at
https://forum.xda-developers.com/u11/help/htc-u11-downgrade-pie-to-oreo-t3962791/page2
Hth
Click to expand...
Click to collapse
I don't want to root my phone. Aren't there any other way to downgrade my phone?
THREAD CLOSED as a thread on this subject already exists: HTC U11 downgrade from Pie to Oreo
If interested in this topic, please continue there, to which the relevant posts of this thread have been copied. @myolgiden XDA Forum Rules (excerpt):
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You can bump your unanswered question once every 24 hours
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[Q] All lineageOS based ROMs that the following doesn't work after install on the OP6

I am finding on all lineageOS based ROMs that the following doesn't work after install on the OP6
1. GPS stops working
2. the phone app crashes as soon as you get a phone call so you can't pick up.
3. phone app crashes if you try to make a call so you can't make calls.
4. you can't receieve SMSs (haven't tried sending an SMS.)
This seems to be the case for all liniage based ROMs I've tried.
Anyone else having this problem? Any idea what could be the cause of the issue?
@not_the_droid_ur_lookin4 This post has been moved out of a development thread to the Q&A section as a separate thread. Your other three duplicate posts in development threads have been deleted!
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not_the_droid_ur_lookin4 said:
I am finding on all lineageOS based ROMs that the following doesn't work after install on the OP6
1. GPS stops working
2. the phone app crashes as soon as you get a phone call so you can't pick up.
3. phone app crashes if you try to make a call so you can't make calls.
4. you can't receieve SMSs (haven't tried sending an SMS.)
This seems to be the case for all liniage based ROMs I've tried.
Anyone else having this problem? Any idea what could be the cause of the issue?
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Click to collapse
I'm on /e/os (forked lineageos) and everything above that doesn't work for you, works for me. I'm on android 10, it's too early for 11 IMHO.
Oswald Boelcke said:
@not_the_droid_ur_lookin4 This post has been moved out of a development thread to the Q&A section as a separate thread. Your other three duplicate posts in development threads have been deleted!
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Ok thanks.
clearchris said:
I'm on /e/os (forked lineageos) and everything above that doesn't work for you, works for me. I'm on android 10, it's too early for 11 IMHO.
Click to expand...
Click to collapse
Thanks. I tried /e/os ... and the things that don't work, for example the phone and GPS, on every other lineageOS based ROM, including lineage v17 and v18, crDroid v6 and v7, ProjectSakura v4, HavocOS v3, revengeOS v4, syberia v4... all of which I've tried... do work on /e/os.
It's just a real bummer that the only 2 ROMs that i've found where the GPS and phone actually work are stock OOS (which i don't want) and /e/os ... which I don't really like compared to say crDroid... which is awesome... other than the sad fact the GPS and phone don't work.
I wish I could find a fix for the phone and GPS on other ROMs.

Question Poco x3 pro problem

Hi after I read aboot poco phones getting hard bricked due to miui 12.5.x on a social media channel {Mod edited} I searched for a way to downgrade my phone to miui 12.0.x and I used this
tutorial (it first downloaded miui 12.5 and 12.0 then got the phone to verify the new one and then changed the name of the old one to new one) so now I have 2 questions. First Was doing this nessecary? Second can this act harm my phone? (In the past days it happened two times to me that screen went black MIUI logo apeared and it kinda just restarted) thanks in advance
Spoiler
Faridb said:
Hi after I read aboot poco phones getting hard bricked due to miui 12.5.x on a social media channel {Mod edited} I searched for a way to downgrade my phone to miui 12.0.x and I used this
tutorial (it first downloaded miui 12.5 and 12.0 then got the phone to verify the new one and then changed the name of the old one to new one) so now I have 2 questions. First Was doing this nessecary? Second can this act harm my phone? (In the past days it happened two times to me that screen went black MIUI logo apeared and it kinda just restarted) thanks in advance
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Click to collapse
@Faridb
I've edited your above post and removed the link to Telegram from it. As an exemption from the last bullet of rule no. 5 of the XDA Forum Rules, we grant only developers the privilege to share references to their social media in their own development threads. These conditions obviously don't apply to this thread or you. Please refrain from sharing of social media in future. Thanks for your cooperation!
Regards
Oswald Boelcke
Senior Moderator

[CLOSED] How to fix Playstore apk dosent work on device

Today I was trying to install Play store on my smart android tv but i cant because after i install play store APK a massage pop up it says :
This version of the app isn't compatible with your device. To fix this problem, go to Settings and uninstall updates for the Google Play Store app.
Now I Am thinking about flash gapps android 5.1 tv stock does it work i don't know i am thinking if i root using kingroot after root i will be flash gapps using flashify i have a question does it work if any of you know please tell me
My tv's Specifications:
android Version : 5.1.1 Ram : 1 gb Storage:8gb
My tv doesn't come with G apps And If i flash gapps can playstore work on my tv
MOD ACTION:
Thread closed as duplicate of https://forum.xda-developers.com/t/how-to-install-play-store-on-smart-android-tv.4464677/
@alnahian201
Please check Rule 5 and avoid posting multiple threads/posts for the same issue:
5. Create a thread topic or post a message only once, this includes external links & streaming media.
As a large forum, we don't need unnecessary clutter. You're free to edit your message as you like, so if you do not receive an answer, revisit your message and see if you can describe your problem better. Not everyone is online at the same time so it might take a while before you receive an answer.
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