Customer Service
Service Manual
29
/
44
INSERT SIM REPAIR PROCESS
NO
Replace SIM card
MT6572 may be
defective
Insert SIM
Clean or replace
SIM connector.
Clean or reweld the
SIM connector
Check SIM connector
is OK or not
Resolder or
replace CPU
MT6572
OK
Check if all the SIM
pins are clean
NO
Check FPC on SIM
connector is OK or not
NO
Replace FPC
NO
Upgrade software
can
settle the defect issue?
NO
Summary of Contents for Studio 5.0 II
Page 1: ...Customer Service Service Manual 1 44 BLU STUDIO 5 0 II SERVICE MANUAL...
Page 10: ...Customer Service Service Manual 10 44 Finished Install the Battery cover 14...
Page 13: ...Customer Service Service Manual 13 44 Side A layout Side B layout...
Page 16: ...Customer Service Service Manual 16 44 5 1 2 Baseband CPU circuit introduction for Modem...
Page 22: ...Customer Service Service Manual 22 44 5 1 9 Four in one MT6627...
Page 41: ...Customer Service Service Manual 41 44 6 the software is upgrading 7 Finished Choose Download...
Page 43: ...Customer Service Service Manual 43 44 CHAPTER 8 TEST...