Android OS not responding - Android Q&A, Help & Troubleshooting

My lenovo Yoga 8 B6000H touch screen has been showing this message "unfortunately, WeQR has stopped". When I click on ok, the message refused to disappear and the tablet does not respond. I went ahead to do factory reset but the message still appeared.
What can I do to rectify the problem.

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LG L40 4.2.2- Windows Popping Up After Activating Something In Developer Settings

[Repost] I got a serious problem with my android phone
Vivek_Neel asked me to post this problem here. So here we go...
Ok, first things first.
I'm from Brazil and I have an android phone. It's a LG L40 (tri chip and tv) and I THINK it's 4.2.2, NOT ROOTED. I have learn with my friends something called "Developer settings" (or something like this, my phone is portuguese).
Then I go to this menu and I clicked something I don't remember. I just know the phone shows up a windows "Attention, blah blah blah" and I press ok then another window appears, but that was the "Shutting Down" window. Then the phone turns black and then turns on. Then a window appears saying "Optimizing apps. 0 of 137 apps". After that the phone just appeared a lot of error windows. Like "unfortunately, videos has stopped", "unfortunately, this has stopped", "unfortunately, that has stopped". And there was just the ok button. But the last message was "unfortunately, com.android.systemui has stopped". No matter how much times I click ok, this windows pops up. I can't go to settings because the system doesn't started yet, I mean, it stopped. Behind that the screen is black.
I also tried to hold lock + up + down. The system boot and the optimizing starts again.
I have downloaded SDK but I will se what can I do with it, but I know that I have to plug the phone with USB on pc. Unfortunately, the device doesnt appear on windows explorer. Only in computer management.
Please, for God's sake, help me. I'm tired about this. This really destroied my day.
Sorry for my bad english
NyconBR said:
Vivek_Neel asked me to post this problem here. So here we go...
Ok, first things first.
I'm from Brazil and I have an android phone. It's a LG L40 (tri chip and tv) and I THINK it's 4.2.2, NOT ROOTED. I have learn with my friends something called "Developer settings" (or something like this, my phone is portuguese).
Then I go to this menu and I clicked something I don't remember. I just know the phone shows up a windows "Attention, blah blah blah" and I press ok then another window appears, but that was the "Shutting Down" window. Then the phone turns black and then turns on. Then a window appears saying "Optimizing apps. 0 of 137 apps". After that the phone just appeared a lot of error windows. Like "unfortunately, videos has stopped", "unfortunately, this has stopped", "unfortunately, that has stopped". And there was just the ok button. But the last message was "unfortunately, com.android.systemui has stopped". No matter how much times I click ok, this windows pops up. I can't go to settings because the system doesn't started yet, I mean, it stopped. Behind that the screen is black.
I also tried to hold lock + up + down. The system boot and the optimizing starts again.
I have downloaded SDK but I will se what can I do with it, but I know that I have to plug the phone with USB on pc. Unfortunately, the device doesnt appear on windows explorer. Only in computer management.
Please, for God's sake, help me. I'm tired about this. This really destroied my day.
Sorry for my bad english
Click to expand...
Click to collapse
Should be able to resolve by doing a factory reset. If not, then you can reinstall the original firmware. Hopefully this guide will help: https://www.youtube.com/watch?v=QoOJn9d4Fnk
es0tericcha0s said:
Should be able to resolve by doing a factory reset. If not, then you can reinstall the original firmware.
Click to expand...
Click to collapse
@edit
Nevermind. I solved it. Thanks anyway =]

Google search stopped message

My daughter's nabi2 pops up a "Google search stopped", message every 3 to 4 seconds essentially locking up device. I already tried a factory reset. It doesn't solve the problem. Please help.

com.android.phone has stopped working always pops-up

So, i am using CM 10.2 since july, and I wasn't facing any problem. The last 2 months, my phone is very slow, many apps stop working etc. Today, an error pop-up. "com.android.phone has stopped working". But when i press OK, the message pops-up constantly. I can't do anything. Only, reset my phone and when im doing this, it says "Android is getting updated" and when it is activate again the same error pops-up. Anything i can do?
Sorry for my english!
[SOLVED]
I entered Recovery mode and I did factory reset and it fixed.

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