K850 insert SIM ! Problem need help !! - GSM-Forum

CyberMCS · 05-07-2010, 18:03

My K850 always says insert SIM ! The SIM Holder already replaced but it don´t help ! Can somebody tell me what I can do to fix the problem ??

e-techmobile · 05-12-2010, 19:54

try to rehot the power ic,is work ,good luck

CyberMCS · 05-12-2010, 20:13

Thanks ! Can you tell me which chip the Power ic is ??

ling4107 · 05-12-2010, 20:15

Check the Board sim connecter

raden27 · 05-12-2010, 20:37

Quote:

Originally Posted by ling4107

Check the Board sim connecter

try these suggestions first...... especially the working voltage sim card. and other three conector feet there should be a resistance... good luck

NB: soo sorry my damage english

CyberMCS · 05-12-2010, 21:36

Thanks for the answers !

Board SIM Connector is checked and OK !

@raden: What can i try with the voltage sim card ? I don´t understand what you mean with the resistance of the other connectors ??

05-07-2010, 18:03	#1 (permalink)
CyberMCS Freak Poster Join Date: Aug 2006 Location: Germany Posts: 125 Member: 328851 Status: Offline Thanks Meter: 4	K850 insert SIM ! Problem need help !! My K850 always says insert SIM ! The SIM Holder already replaced but it don´t help ! Can somebody tell me what I can do to fix the problem ??

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05-12-2010, 19:54	#2 (permalink)
e-techmobile Junior Member Join Date: Aug 2007 Posts: 16 Member: 573135 Status: Offline Thanks Meter: 15	try to rehot the power ic,is work ,good luck

05-12-2010, 20:13	#3 (permalink)
CyberMCS Freak Poster Join Date: Aug 2006 Location: Germany Posts: 125 Member: 328851 Status: Offline Thanks Meter: 4	Thanks ! Can you tell me which chip the Power ic is ??

05-12-2010, 20:15	#4 (permalink)
ling4107 Freak Poster Join Date: Apr 2008 Posts: 221 Member: 755581 Status: Offline Thanks Meter: 567	Check the Board sim connecter

05-12-2010, 21:36	#6 (permalink)
CyberMCS Freak Poster Join Date: Aug 2006 Location: Germany Posts: 125 Member: 328851 Status: Offline Thanks Meter: 4	Thanks for the answers ! Board SIM Connector is checked and OK ! @raden: What can i try with the voltage sim card ? I don´t understand what you mean with the resistance of the other connectors ??