downgrade from pie to oreo - HTC U11 Questions & Answers

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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Related

OG Youtube v4.2

Highly Moded & Recommended by Me:
a1_rakesh (Find Us ON GOOGLE)
Its Upgrades with officials YouTube Application that available in playstore.
Link of websites : MOD Edit - Links Removed
WTF? David developer?
Is this a scam, because everyone knows who develop ogyoutube and its wasnt any david
You guys are making for yourselfs the hardwork of ogmods
If there is any explanation you guys should be banned
Thank you. I've use OgYt from official plus on non rooted devices few months and I'm impressed. Thank you. It's tested and confirmed that's works flawlessly. Regards!
Hi,
virus signaled in V4.2..
Well, so No Thanks...
ans updates? at 3.5 dl doesent work anymore
OgYT doesnt Work 2018
when the new ogyoutube 2018 will be developed ??
k2828 said:
ans updates? at 3.5 dl doesent work anymore
Click to expand...
Click to collapse
Update available
Akufenx said:
when the new ogyoutube 2018 will be developed ??
Click to expand...
Click to collapse
Already updated
Rakesh Mahto said:
Already updated
Click to expand...
Click to collapse
I tried this app on 8.1 rom and 9.0 rom on my nexus 6 and yes I used both apps Micro G and OGYT and its not working keeps saying error bla bla bla ........
bigmarv31 said:
I tried this app on 8.1 rom and 9.0 rom on my nexus 6 and yes I used both apps Micro G and OGYT and its not working keeps saying error bla bla bla ........
Click to expand...
Click to collapse
Already using android 8.1 but in my case I am using moto g5s device
Report a problem to email ? id: MOD Edit - Links Removed
Next update it solve thanks?
This og youtube have featutes like mx player ; increase brightness ? & Sound ? , pop window , play in background audio & video etc.. Etc?
Don't work for me...I can't download anything. Say a error.
Download is not working
need confirm this is safe, anyone tried it?
Thread Closed.
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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.
You can bump your unanswered question once every 24 hours
Duplicate threads and posts will be removed
Always post in an existing thread if a topic already exists, before creating a new thread.
Use our search function to find the best forum for your device.
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-------------------
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If a piece of software requires you to pay to use it, then pay for it. We do not accept warez nor do we permit members to request, post, promote or describe ways in which warez, cracks, serial codes or other means of avoiding payment, can be obtained or used. This is a site of developers, i.e. the sort of people who create such software. When you cheat a software developer, you cheat us as a community
Click to expand...
Click to collapse
Thanks
SacredDeviL666
Forum Moderator.

One Plus 7 Pro (GM1910) Hydrogen OS to Oxygen OS

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
XDA Forum Rules (excerpt):
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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.
You can bump your unanswered question once every 24 hours
Duplicate threads and posts will be removed
Always post in an existing thread if a topic already exists, before creating a new thread.
Use our search function to find the best forum for your device.
Links to an external source are only allowed if relevant to the topic in hand. A description must be included, no copy & pasting from the original source.
Self-promotion is forbidden, this includes blogs, social media and video channels etc. Random links will be removed.
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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!
XDA Forum Rules (excerpt):
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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.
You can bump your unanswered question once every 24 hours
Duplicate threads and posts will be removed
Always post in an existing thread if a topic already exists, before creating a new thread.
Use our search function to find the best forum for your device.
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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?
Click to expand...
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!
XDA Forum Rules (excerpt):
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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.

Persist img messed up

I've got a bit of a problem. After installing a rom and deciding to go back to stock, I've run into the issue that I cannot for the life of god get my fingerprint registered. My phone says it fails to register, and I've factory reset it every way possible. I'm pretty positive that it's something to do with the persist img, but when I used the solution the one guy posted for it, it of course didn't work. Why doesn't the msm tool fix it? Doesn't it reset everything? What should I do?
Qualex11 said:
I've got a bit of a problem. After installing a rom and deciding to go back to stock, I've run into the issue that I cannot for the life of god get my fingerprint registered. My phone says it fails to register, and I've factory reset it every way possible. I'm pretty positive that it's something to do with the persist img, but when I used the solution the one guy posted for it, it of course didn't work. Why doesn't the msm tool fix it? Doesn't it reset everything? What should I do?
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Click to collapse
Welcome to XDA!.
The more info you provide the better and faster you will get help.
Try reading the forum rules and post in the specific device section.
Enjoy!
orb3000 said:
Welcome to XDA!.
The more info you provide the better and faster you will get help.
Try reading the forum rules and post in the specific device section.
Enjoy!
Click to expand...
Click to collapse
Hey could you delete this thread? I managed to fix my problem.
Qualex11 said:
Hey could you delete this thread? I managed to fix my problem.
Click to expand...
Click to collapse
Hello @Qualex11 and I'd like to also welcome you to XDA. I hope you like your visits and stays on this website and that you always receive valuable support in case of any problems.
First, please be aware that we don't delete threads after XDA has been indexed by search engines as this would provide HTTP 404 errors and in turn a poor user experience. We rather close a thread on request of a thread owner like you!
However, in this case I like the thread to remain open unless you definitely want to have it closed but with a serious request to you. XDA is about sharing - not only development but also knowledge and experiences. How about if you share here what you did that solved your issue? I'm convinced there're other XDA members around who have either already experienced the same problem and are eagerly waited for a solution or there're might be others who will be very happy in future if they directly find a fix for their issue.
I honestly invite you to present your solution here - and we're all be very grateful! If you don't want just feel free to shoot me a PM or to report via the report function, and your thread will be closed.
Stay safe and stay healthy!
Regards
Oswald Boelcke
Forum Moderator
I actually fixed the problem with a tutorial about it on youtube. I had just messed up a step previously, but I repeated it and it worked. Just do a quick search "oneplus 8 persist fix" on youtube, and it should be the first one

[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.
You can bump your unanswered question once every 24 hours
Duplicate threads and posts will be removed
Always post in an existing thread if a topic already exists, before creating a new thread.
Use our search function to find the best forum for your device.
Links to an external source are only allowed if relevant to the topic in hand. A description must be included, no copy & pasting from the original source.
Self-promotion is forbidden, this includes blogs, social media and video channels etc. Random links will be removed.
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