REFERENCE Samsung A12 Nacho (SM-A127F) Wi-Fi problem and Insert Sim

Gimtech

Registered
Joined
Mar 25, 2019
Messages
91
Reaction score
166
Points
1
Location
Kalibo Aklan
Good Day mga idol share kulang to wi-fi problem and insert sim, yung ginawa ko focus muna ako sa wifi open borneo check ko voltage at ito na pansin ko mababa voltage ng VRF_PA_WLBT_1p8 nasa 0.8V lang na dapat is 1.8V check lines
A12 .png

Check ko kung san pa ibang lines or ka dugtong nya at ito sya and found out na putol line and isang supply pala sina ng baseband kaya cguro insert sim din unit
A12 connection.png

Ginawa ko hanap ako pinaka malapit at nakita ko is yung supply sa baseband kaya dito naku nag jamper from PMIC
a12 jj.png

At ito na mga idol done na, ok na wifi and signal, salamat!
sfsfs.png
 
Who read this thread (Total readers: 0)
No registered users viewing this thread.
Back
Top