CONFIDENTIAL
Service & Analysis Center Europe
Training Team
version 1.0 / 19.10.1999 Page 17 of 41
Contact service – Eeprom tune checksum fail
refer to
Service Bulletin
general 26
EEPROM
internal fault
Reset the phone (don't
use the full factory set
if it is not permitted to
you to rewrite the IMEI)
EEPROM tune
checksum fail
Check via WINTESLA
> product information,
if any phone data, like:
IMEI, product code,
PSN, etc. is corrupted
change the EEPROM if
it is permitted to you, to
rewrite the IMEI
send this phones to the
SACE Bochum
if it is not permitted to
you to rewrite the IMEI
Contact Service
Check via WINTESLA / Testing / Selftest
which kind of selftest is faulty
Phone is Ok, if
CONTACT SERVICE
dissapears
Yes
No
Yes No
D230 Eeprom faulty
• Check with wintesla if IMEI or product data are corrupt
• Don’t use the "Full factory sett" with wintesla, otherwise the IMEI will be
change to question marks
• Change the Eeprom if it's permitted for you and write all ID data (IMEI, product code…) back
• If you aren't allowed to change the Eeprom and the IMEI is missing, write a note with a little
comment, and send it together with the phone to the SACE
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