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CONFIDENTIAL 1 (1)

Nokia Mobile Phones Service Bulletin No. SB-007/04.01.00
Technical Support, Europe & Africa

NSE-5

FLASH MEMORY USAGE IN NSE-5

The NSE-5 Flash memory usage is different to other older Nokia phones
supported by the FPS-4 tool, as all non-volatile data is stored in Flash
memory instead of the traditional EEPROM.

NSE-5 has two separate Flash ICs (D301 and D303).

In D301 the EEPROM is emulated and all the user-data is handled by a
Permanent Memory Manager (PPM), both using the Flash as 'non-volatile'
backup memory.

Note! If D301 needs to be replaced with new one, then it is necessary to
re-build the IMEI/simlocks and completely re-tune the phone.

NSE-5 SB-007