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 Nokia Firmware Definition

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PostSubject: Nokia Firmware Definition   Thu Jun 16, 2011 12:35 pm

APAC = Asia-Pacific (Asia Pacific) is often the case with Flash files used to package the data clearly.


EMEA
EMEA = Europe / Middle East / Africa. Is often the case with Flash files used to package the data clearly.


EURO
EURO = Europe / Europe. Is often the case with Flash files used to package the data clearly.


LTA
LTA = Latin America. Is often the case with Flash files used to package the data clearly.


ALPS
= ALPS Alps (Austria / Switzerland). Is rather rare in Flash files used to package the data clearly.


MCU (Master Control Unit)
The MCU is the actual firmware / software in your mobile phone. In it
lies the whole menu and all procedures used during the operation with
the mobile run. The firmware is protected by checksums before
manipulation. I.e. after a change in the checksums again corrected.


PPM (Post Programmable Memory)
The PPM is the language pack in your mobile phone. It put all the texts /
words that appear in your menu. All languages (German, English, ...)
are stored there. There are different language packs for different
languages in the phone. These are marked with a letter (eg A-Pack PPM,
PPM-Pack B Pack C PPM, ...). When the menu changes are in the words
being replaced by PPM. The voice packet is a checksum before
manipulation. I.e. after a change in the checksums again corrected.

EEPROM (Electrically Erasable and Programmable Read Only Memory)
The EEPROM is a memory area in the flash in the mobile-specific data is
stored (such as operator logos, your own ringtone, profiles, also IMEI,
security code, and much more).
On it you have with a conventional data-cable access and can make
changes while the software and the voice packet with a normal data can
not access! On most phones, the Flash EEPROM is emulated implemetiert
and, while in older models (such as 51xx, 61xx, 3210, 8810, the EEPROM
as an additional chip on the phone board. This may be a flasher interface not be read.

PMM (Permanent Memory)
The PMM is integrated in the Eeprom. Not to be confused with PPM!

Flasher interface
The Flash interface has been the end of 2000 by Dejan developed and
disseminated. With him it is possible to flash memory, and therefore on
the software in the mobile phone to access and edit. Normally one uses a
flash interface for DCT-3 devices from Nokia.

Backup (short: Bu or FUBU)
As Bu (backup), a copy of the flash memory software, which with the help of a flasher interface was selected. For errors or incorrect manipulation can fuse again and again in the mobile phone, and thus to be primitive!
A FUBU (Full Backup) includes the additional Eeprombereich.

Checksums
Checksums are certain number of consequences, from a file (in this case a flash file) is calculated to prevent a modification / manipulation to protect. If for example A Flash file
changed, the internal Checksum not agree more, and the backup is
useless because the phone after the re-import "Contact Service" on the
LCD display! Meanwhile, it is possible thanks g3gg0 these checksums to
avoid, ie it is possible to all DCT-3 mobile phones from Nokia to
manipulate. It works now (3330, 3410, 5210, 5510) WUG (wakeup Graphic)
WUG called the startup logo.



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