[Nexus 4 Q&A, Help & Troubleshooting] CoolApps:
I have created this thread to clean up the forums a bit and to fix one confusion that most people in the forums which are saying which can mislead people to think that user means that when they don't mean that.

Q: What is the different between brick and soft-brick?

A: This is the issue I was talking about above.

A soft-brick is where you cannot access the kernel or/and rom and a brick is where you cannot access the bootloader so you cannot turn on your device unless you JTag it.

Q: Since I flashed a kernel I got stuck on the splash screen (Google logo bootloader screen), I attempted to reflash but it did not help.

A: Make sure the kernel is supported by the Rom's build number and Android version, to fix this you have to flash a supported kernel, remember that not all kernels are supported.

Q: Since I upgraded to Android 4.3 via OTA I noticed a large battery drain, WHAT IS GOING ON?!?!

A: On day 1 after the upgrade Google Backup will be using your battery for restoring your data so you will have to wait until it is done BUT then it will backup your settings such has brightness and app data but you can switch off "App Data" from the sync settings to stop Google Backup.

Q: A while/day later the issue is gone but Google Services is draining my battery.

A: That is actually Google Maps doing the draining, it is using the internet to locate you, to stop the battery drain go to Settings, Location settings, and disable WiFi & Mobile network location.

Q: Titanium Backup is not restoring my backups, what can I do?

A: Flash SuperSU v1.51 via recovery, this will fix the root issues and the Titanium Backup restore issues.

Q: Root is not working on Android 4.3, I'm panicking!!!!!!!!!!!!

A: Don't worry, flash SuperSU v1.51 has mentioned above to fix root since it now uses the SU Deamon due to the new security.

Q: The stock recovery says "No command.", what can I do?

A: Either keep pressing or hold volume up and power to unlock the menu.

This does not always work for certain users so I would try volume down and power so see if that does anything.

Q: How do I disable the OTA updater?

A: You will need root and an application, thanks to [MENTION=4224781]joshuab227[/MENTION] for the information, the following is from joshuab227's post:

Q: The Play Store app and web store will not recognise my device!

A: [MENTION=3568561]ColdEmbrace[/MENTION] has got this issue and found the solution so that should explain why the start of the post starts how it starts:

Q: My device says that I have no internet connection with a empty signal bar with or without a sim card.

A: The user [MENTION=5024662]matt0401[/MENTION] was one of the victims with this issue and managed to fix this issue with a interesting solution:

Q: I have to reenter my pin code for my sim every time, what do I do?

A: [MENTION=3995634]lucker#1[/MENTION] you guessed it has the same issue has well but he wasn't the OP of the thread that the issue was discussed in but he did sure find a fix, the following is a quote from his post:

Q: Since I installed Android 4.3 a few of my apps are force closing, what should I do?

A: You have to reinstall that application to fix the issue.

Q: I am getting screen flickering.

A: Flash the correct kernel which supports your Android build and version.

Q: Got a kernel panic, HALP!!!

A: That is pretty rare for the kernel to panic but you can actually easily trigger it, to fix it you must reflash the kernel (make sure it is the correct one!).

Q: Since Android 4.3 on YouTube using Slimport there is a blue graphical glitch, why is it doing that and how to fix it?

A: Since Android 4.3 there is some major bugs, improvements and fixes and the graphical glitch (I got this myself) is due to the new Software Encoder, there is no fix yet but you can go around it by using VPlayer as it apparently supports YouTube videos and it has Hardware Encoding.

If you have any questions and answers please post them here.