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[Solved]Please help me about Play Store 921 error

I flashed a new rom, stock jpu, i rooted it, flashed 2.5 g3mod kernel and started to restore my aps with titanium. and then it begin, i cant download anything from play store, due to this error. there is another thing, talk app is not conecting with my account, it says sign in error.
I tryed clearing data from all google aps, play store included, reinstall play store and talk app, rebooted, reinstalled again...
I had the same problem when i was on Kyrillos 10.4, and now again.
please help.

Clear the data of the play app from settings>applications> manage applications.
Hope that works

ak700 said:
Clear the data of the play app from settings>applications> manage applications.
Hope that works
Click to expand...
Click to collapse
Did that. Didnt work

same issue, I resolved with
remove my google account, insert him back, clear cache and data for the google play store, kill all the active apps

ilievski.ace said:
same issue, I resolved with
remove my google account, insert him back, clear cache and data for the google play store, kill all the active apps
Click to expand...
Click to collapse
I did all that but it still didnt work..
I got it workin after restoring google services framework with titanium.
Thanks for the help.

You did that. Excellent! But do you know how GSF affects your phone? It connects the google servers to your phone. Never uninstall that .. there was a thread somewhere.. it said "apps save to uninstall" or something. Follow that...

Deleted wrong file - Google services?

Hi, i just got this in another thread
Try uninstalling Google Services using Titanium Backup, then open Hangouts/Maps - it'll reinstall off the Play Store.
Click to expand...
Click to collapse
So I deleted the google service in titanium, startet maps,and nothing happend. Now I cant use the market, my gmail, sync with my google acount or anything.
What can I do, to get my phone working proberly again?
I really hope you guys can help!

I cant remember the exatct name, but when I deleted it, it asked me if I want to remove that apk. Is it possible to install just an apk, in order to get my phone working, or do I have to flash standard rom and so on?

How to Install Google Play Store

Now that we have root I've been able to test and verify that Google Play Store can be installed. So far I'd had no issues. Obviously you'll need root access first which I've put links below.
Rooting tutorial: http://forum.xda-developers.com/showthread.php?t=2544965
Rooting video: http://forum.xda-developers.com/showthread.php?t=2546117
1. Download the following zip file which includes all the required files (KFHDX_PlayStore).
2. Install Google Account manager, Services Framework, and Play Services (it is not necessary to install as system app).
3. Reboot
4. Install Vending.apk in "system/app" (requires to make "/system" RW) then open up the app and log-in with you account.
5. Install Google Play Store
Even though Play Store can be installed with account, downloading of apps are not working. Stay tuned.

Android Cowboy said:
Now that we have root I've been able to test and verify that Google Play Store can be installed. So far I'd had no issues. Obviously you'll need root access first which I've put links below.
Rooting tutorial: http://forum.xda-developers.com/showthread.php?t=2544965
Rooting video: http://forum.xda-developers.com/showthread.php?t=2546117
1. Download the following zip file which includes all the required files (KFHDX_PlayStore).
2. Install Google Account manager, Services Framework, and Play Services (it is not necessary to install as system app).
3. Reboot
4. Install Vending.apk in "system/app" (requires to make "/system" RW) then open up the app and log-in with you account.
5. Install Google Play Store
Now enjoy your super Amazon tablet.
Click to expand...
Click to collapse
What are the versions? Also I'm going to link to this in my rooting tutorial. Did you confirm this?

Faznx92 said:
What are the versions? Also I'm going to link to this in my rooting tutorial, is that cool. Did you confirm this?
Click to expand...
Click to collapse
Yes, Play Store is working fine and now shows up in my Play Store setting account. Versions are as follows:
Account manager: 4.03
Services Framework: 4.04
Play Services: 4.034
Only Account Manager and Framework require the older version. Play Services always works on KF with latest version. Also Play Store is latest version as well.

Here is a pic as well.

Android Cowboy said:
Here is a pic as well.
Click to expand...
Click to collapse
Now we need to unlock the bootloader for custom roms. Pshh, I don't know how to do that. I'm not a 9-5 coder. Lol call on jcase. Anyway great job!

Not Working
Android Cowboy said:
Here is a pic as well.
Click to expand...
Click to collapse
Hi:
I followed your directions but I get a force close with the message "The process com.google.process.gapps has stopped."

zahir32 said:
Hi:
I followed your directions but I get a force close with the message "The process com.google.process.gapps has stopped."
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Click to collapse
Did you add your Google account after installing Vending.apk app or after latest Play Store.

No Connection
Android Cowboy said:
Did you add your Google account after installing Vending.apk app or after latest Play Store.
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Click to collapse
Well, after adding vending.apk manually to System/app, I installed it and tried to set up my account. I hit Existing Account and put in my details. I got as far as the white loading screen, but it stuck there. In between, I kept getting that force close message about the Gapps process.

zahir32 said:
Well, after adding vending.apk manually to System/app, I installed it and tried to set up my account. I hit Existing Account and put in my details. I got as far as the white loading screen, but it stuck there. In between, I kept getting that force close message about the Gapps process.
Click to expand...
Click to collapse
That's fine. Vending app never work after I added my account. Just update to latest Play Store right away after and it'll be fine.

Android Cowboy said:
That's fine. Vending app never work after I added my account. Just update to latest Play Store right away after and it'll be fine.
Click to expand...
Click to collapse
I still get no connection from the market.

Still No Luck
Android Cowboy said:
That's fine. Vending app never work after I added my account. Just update to latest Play Store right away after and it'll be fine.
Click to expand...
Click to collapse
After installing the latest PLaystore, following your sequence carefully, the app says No Connection when I try to open it. Also the force close message about the Gapps process pops up as soon as I boot up the tablet now.
I do have an internet connection, tested with my Browser.

zahir32 said:
After installing the latest PLaystore, following your sequence carefully, the app says No Connection when I try to open it. Also the force close message about the Gapps process pops up as soon as I boot up the tablet now.
I do have an internet connection, tested with my Browser.
Click to expand...
Click to collapse
Exactly the same with me...

Try clearing data and cache in setting and app manager
Sent from my SAMSUNG-SGH-I317 using xda app-developers app

Android Cowboy said:
That's fine. Vending app never work after I added my account. Just update to latest Play Store right away after and it'll be fine.
Click to expand...
Click to collapse
Hey, thanks for everything you're doing. When I open up vending apk once i've moved it to system/app i agree to the terms of services and then it crashes. If install and open again it just crashes after a couple of seconds.
When I went to open the playstore it worked for about 30 seconds and then it crashed (I did notice my account was logged in). Now when I open it, it crashes straight back to the homescreen.

Tried That
androiduser87 said:
Try clearing data and cache in setting and app manager
Sent from my SAMSUNG-SGH-I317 using xda app-developers app
Click to expand...
Click to collapse
Tried that, but problem persists. App still says No Connection.

zahir32 said:
Tried that, but problem persists. App still says No Connection.
Click to expand...
Click to collapse
Same thing for me. I have "retry connection" when I open the Play Store after putting in my account information.

zahir32 said:
Tried that, but problem persists. App still says No Connection.
Click to expand...
Click to collapse
It finally works. I copied all apks to the system/app. Then installed them not fromy system/app but from phone internal storage and it works. Thanks android cowboy.
Edit : it shows all apps, but FCs when i try to download anything..

Video?
Is it possible for you to make a video of this? The only reason I got my device rooted was because of your videos.
Android Cowboy said:
Now that we have root I've been able to test and verify that Google Play Store can be installed. So far I'd had no issues. Obviously you'll need root access first which I've put links below.
Rooting tutorial: http://forum.xda-developers.com/showthread.php?t=2544965
Rooting video: http://forum.xda-developers.com/showthread.php?t=2546117
1. Download the following zip file which includes all the required files (KFHDX_PlayStore).
2. Install Google Account manager, Services Framework, and Play Services (it is not necessary to install as system app).
3. Reboot
4. Install Vending.apk in "system/app" (requires to make "/system" RW) then open up the app and log-in with you account.
5. Install Google Play Store
Now enjoy your super Amazon tablet.
Click to expand...
Click to collapse

Android Cowboy said:
Now that we have root I've been able to test and verify that Google Play Store can be installed. So far I'd had no issues. Obviously you'll need root access first which I've put links below.
Rooting tutorial: http://forum.xda-developers.com/showthread.php?t=2544965
Rooting video: http://forum.xda-developers.com/showthread.php?t=2546117
1. Download the following zip file which includes all the required files (KFHDX_PlayStore).
2. Install Google Account manager, Services Framework, and Play Services (it is not necessary to install as system app).
3. Reboot
4. Install Vending.apk in "system/app" (requires to make "/system" RW) then open up the app and log-in with you account.
5. Install Google Play Store
Now enjoy your super Amazon tablet.
Click to expand...
Click to collapse
After I copy Vending.apk in "system/app", install it, then open it, Services Framework and com.google.process.gapps starts stoping but Vending.apk is still running. I enter my account info but gets stuck on a loading screen but I can look at settings. If I try to look at My apps in setting "A server error has occurred." I closed vending and rebooted. Then I installed Google Play Store and opened it but it says No connection. (It is not Iptables causing the conflict.)

kiddo12345 said:
Is it possible for you to make a video of this? The only reason I got my device rooted was because of your videos.
Click to expand...
Click to collapse
I will make a video soon but it's basically the same as the KF HD so you can check that video for now. I would suggest for everyone that is having trouble to make sure you remove all sideloaded Google apps if you had installed them. I had some issues before when I tried to re-install some Google apps after removing my account. I began with a fresh start that had no sideloaded apps. So far I'd had no issues with FC, or messages. I know people suggest installing all apps in system/app but if I prefer to keep system app installation to a minimum. If it doesn't require it then I don't do it. That was the case with old KF HD and I had no issues and I will do the same on the KF HDX.

Removing google apps

Hello im having problem with gapps on any rom(costum or stock) so i need ROM that is GAPPS-free or is there any way i can remove gapps, i wanna install microG GmsCore.

Nevermind i uninstalled gapps with titanium backup

Hey, are you experiencing any issues after removing Google apps? Are you on stock? I'm on stock and whenever I remove anything system it breaks other apps...

bednim said:
Hey, are you experiencing any issues after removing Google apps? Are you on stock? I'm on stock and whenever I remove anything system it breaks other apps...
Click to expand...
Click to collapse
You should be able to remove all apart from Google play services, framework.

For some reason it doesn't work for me. For example, if I remove Chrome, Facebook messenger breaks, relay for reddit won't start. This is really strange?
I'm using ES file Explorer to remove apps. Titanium says it has deleted but apps are still there after restart.
Any ideas? @callumbr1
Thanks

bednim said:
For some reason it doesn't work for me. For example, if I remove Chrome, Facebook messenger breaks, relay for reddit won't start. This is really strange?
I'm using ES file Explorer to remove apps. Titanium says it has deleted but apps are still there after restart.
Any ideas? @callumbr1
Thanks
Click to expand...
Click to collapse
Hmmm strange. You should just be able to remove chrome as normal and just remove apk.
I would suggest remove the apps you don't want. Then boot to recovery and wipe cache. Then reboot. This should fix and apps breaking/crashing.

Im rooted and using costum rom i did uninstall all google apps even google framework because i had errors with google apps and i did reinstall gapps but i still get ssl network errors...

themasv said:
Im rooted and using costum rom i did uninstall all google apps even google framework because i had errors with google apps and i did reinstall gapps but i still get ssl network errors...
Click to expand...
Click to collapse
What's the exact error?

I get different errors in google play when im trying to download app (490,491,403,505 and more) When im web chrome or samsung internet i get SSL Connection Errors (This connection is Untrusted, Your connection is not private, The sites security certificate is not trusted, SSL Connection Error and SSL Protocol Error, Server’s certificate is not trusted, Your connection is not secure) My phone is really messed up i have tried all costum roms and stock but still same thing.

callumbr1 said:
Hmmm strange. You should just be able to remove chrome as normal and just remove apk.
I would suggest remove the apps you don't want. Then boot to recovery and wipe cache. Then reboot. This should fix and apps breaking/crashing.
Click to expand...
Click to collapse
Right, I finally figured out what the issue was - it was the webviewer implementation, so when removed system chrome, had to defrost android webview and select it to handle webviews. Problem was gone since!

Google Play store installed apps list is empty

Hello on my OP5 after the latest update (OxygenOS 5.1.4) the Play Store installed apps list is empty. This renders the auto-update function unusable. When I look for an app and update and/or install it that particular app is shown but anything else is still missing.
I have TWRP and root with magisk.
I have tried rebooting, clearing caches, reverting to factory and updating "google play services" and some other suggestions I have found online. Nothing has worked so far.

Axxess said:
Hello on my OP5 after the latest update (OxygenOS 5.1.4) the Play Store installed apps list is empty. This renders the auto-update function unusable. When I look for an app and update and/or install it that particular app is shown but anything else is still missing.
I have TWRP and root with magisk.
I have tried rebooting, clearing caches, reverting to factory and updating "google play services" and some other suggestions I have found online. Nothing has worked so far.
Click to expand...
Click to collapse
Have you deleted your Google account off your device and set it up again? Is your playstore certified?

strongst said:
Have you deleted your Google account off your device and set it up again? Is your playstore certified?
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Click to collapse
Yes I removed all google accounts, cleared data and cache, rebooted the phone, and reconfigured google account.
This had no effect. I am almost sure that playstore is original.

You can try with Titanium Backup Pro, it has an option to fix broken Market links.
Sent from my OnePlus 5 using XDA Labs