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Samsung galaxy Not 2 GT-N7100 No Service No Network Not Working Solution

Samsung galaxy Not 2 GT-N7100 No Service No Network Not Working Solution Schematic,Circuit,Diagram

Samsung galaxy Not 2 GT-N7100 No Service No Network Not Working Solution Step BY Step 

Step 1

Check memu setting
Menu → applications → setting → wireless and network →
mobile networks → network mode → setting is auto mode ?

Step 2

Menu → Phone → Keypad →
*#1234# → check Phone version →
PHONE : N7100XXXXXX or
PHONE : unknown
Check the connection of RF coaxial cable
(QCB01 @ page2 )

Step 3

Check the CP_VSD1,CP_VSD2_1.8V
CP_VSD1 (C351) =0.9~1.4V
CP_VSD2 (C353) = 1.8V
Replace the UCP300

Step 4

Check VREF
VREF ( C360) = 600mV
Replace the UCP300

Step 5

Change the board

Step 6

END
Unofficial Support Site For This Phone By welcome Zone Haldwani 

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