New answers tagged kernel
If you're directly writing the kernel with fastboot then it shouldn't touch the user data. If you're flashing it through recovery it should also be OK, but it's possible for the update.zip file to perform other actions that could wipe data.
There are many apps that can do this: Mount Manager CifsManager And also this thread on XDA-Developers suggest using BusyBox (it's simpler to just open the thread on go trough the discussion than for me to copy that stuff here, you'd need context to understand) Finally, this research was done by a simple Google search, you should do your research before ...
This is mostly caused by "scanning always available" under Advanced Wifi Options. Disable it and you shall see this reduced significantly.
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