Friday, March 18, 2016

[Q] sudden weak signal reception on M8

hi everyone
my device acted little weird
this wednesday, my phone suddenly just got 1 bar of signal, from any band (2G/3G/4G)
try to swap the sim card from other operator, but the signal strenght stay the same
in that incident, i'm using leedroid ROM R54, using 6.12 firmware asian version (sorry, forgot this, i got from SD thread)
at first time i think just the ROM that acted strange, so i decided to flash an AOSP ROM, but the problem still persist.
but with AOSP ROM, at first i got full bar of signal, but few time later it was only 1 bar again. i can replicate this condition when i'm using phone to make call or SMS too, after full bar, the signal dropped to 1 bar and never come up again :(
tried to flash 6.12 firmware WWE version, my phone bootlooped and from TWRP 3.0.0.1 i got error failed to mount /cache (invalid response) and failed to mount /carrier (invalid response)
so i solved this by downgrading TWRP to v 2.8.6.0 and clean flash another ROM to bring my phone back to life, but with the same signal problem


how can i solve this?
is it true that i must factory reset my phone first to clean up the internal partition?
how can i achieve that?

is it save just to factory reset from bootloader?
thanks for your help :)
really expecting many help from all of you :)


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