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rustyz
10-11-2002, 03:15 AM
How To Repair???
Hi guy,
I currently own two nokia 8250 which both faces a problem.(contact service) but the two handphone problems are presented in a very different way.

The will seem to appear fine first nokia 8250upon switch on but after a couple of second.it will auto restart and display contact service and hang,untill i pull the battery out.

The other 8250 when I switch on the phone it will immediatly display contact service and remain hang.

What should I do to the phone,to order to repair the phone.what do you guys advice me do. I would like to know how the problem occurs and how to fixes with what tools,software and hardware. Thank you for reading this message.
Yours sincerly,
rustyz

Feel free to comment!!!

wings
12-11-2002, 09:35 AM
Well try to read them and look for the imei if not try to change the cobba but for the one which restarts i think not the to 2 options .

dio
16-11-2002, 06:35 PM
try cleaning up the boards first, then flash them.

Works for my 8250 with the same problem.

Nokiarepairman
16-11-2002, 09:28 PM
DO NOT REPLACE COBBA HANDSET WILL REQUIRE A IMEI REBUILD!!!!!!!

IF YOU HAVE NO LUCK SEND IT ME I CAN SORT IT FOR YOU E-MAIL [email protected]

wesam
17-11-2002, 02:19 AM
hi
the first one 90% need full flash
the next check it first with test on eeprom tools
it will tell you wheres the proplem (checksum-cobba-ccont)
please send result
wesam

wfc
25-11-2002, 01:04 PM
first one means a software problem
repair the eeprom with eeprom tools

second one is a hardware problem
try reflowing and/or changing MAD2

:)