I got a 3310 v4.24 and i udated it then i rewrote the original backup of the phone and now i get a problem in Eeprom tools saying

Reason for Contact Service

PPM Checksum Test Failed!

Please repair the phone first

and i can't get no signal please tell me what to do with out reseting factory setting and loosing all of the guys logos/ringtones

because he don't want to loose them...???