[Q] Recommended flash of CM 10.2 - Nexus 10 Q&A, Help & Troubleshooting

Hello!
Because of the "large" step between 4.2.2 and 4.3 - is it necessary to do a full wipe before flashing the first unofficial CM 10.2 für Nexus 10 when coming from 10.1 or just cache and dalvik cache wiping?

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[Q] Can not update to any jelly bean ROM

I have installed many other ROMs before but whenever I try to flash a JB ROM it locks on the acer splash during boot. I wipe data/factory reset and wipe cache partition. After I flash the zip and the Gapps I clear the dalvik. Right now I am running FlexREAPER with android 4.0.3.
Is this a Kernel issue/bootloader or what? My Kernel version is 2.6.39.4+

Restore from adb backup on Nexus 4 after cyanogenmod 10.2 update

Recently I have flashed unofficial cyanogenmod 10.2 for my Nexus 4 (from here on google drive http://forum.xda-developers.com/showthread.php?t=2139784 ).
After testing some features I the device came into a "bootloop" (stays on cyanogenmod logo launcher).
I tried to reflash it with cm 10.1 (wipe dalvik cache and /cache partition) but the same effect.
Now I have completed the adb backup (via recovery mode from Clockworkmod) but if I restore it I get the same effect as described above.
I can launch the device successfully on clear cm 10.1 but it won't boot after restore of my backup. What can I do now ?
Wipe the data.
Sent from my Nexus 4 using Tapatalk 4
Maybe I have expressed myself unclear or I have forgotten to note that I have already tried this but I get the same result then :
OK for wiping the data and installing clean cm 10.1
boot loop for wiping the data installing cm 10.1 and restoring the backup

[Q] Bootloops when flashing cm11 nightly!

Hi all I have my LG G2 right now installed with the malladus-vs980-2.0.1 rom and I'm trying to install CM 11 most recent nightly. I performed a factory data reset and wipe dalvik cache and cache but still once finishing install and rebooting my phone goes into a boot loop. Is it because my baseband version is on the current 24a? If so how do revert back to 12b?

cm 12.1 not installed

hello everyone, i have a problem, 5 minutes ago I tried to flash cm 12.1 on twrp recovery but i "installation aborted unfortunally" why
Did you wipe data, cache and dalvik? Plz, send here a logcat. Which is your device?
Resolved, i have changed recovery, s3 neo

unofficial to official

My phone already install LineageOS with unofficial,but now Official is been release,can i or how I flash LineageOS to Official without losing any data??
Wipe cache and dalvik cache, flash new rom and any zip like gapps

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