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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Various > Siemens-Benq > All Siemens and Benq Manufactured Phones > E-Gold Based Phones

E-Gold Based Phones This is the section for all E-Gold and E-Gold Lite based phones: A31,A52 A55, A57, A60, A62, A65, A70, AF51, AL21, AX72, AX75, C55, C60, CF62, CF110, M55, MC60, S55, SL55 And also post all about Joker & Freia in this Section.

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Old 01-18-2004, 16:29   #1 (permalink)
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Question Upgrading A55 to C55


Hi, I have an A55 and a USB 'noname' data cable for it. I heard that it's possible to upgrade the phone to a C55, so I searched the board and found some messages - but I can't understand them - I'm new to this!

Please could someone explain how to do it simply? I've got a few questions as well:

- What program(s) do I need?
- Where do I get the flash files?
- Can I put it back to how it was (ie. an A55)?
- Will I lose my ringtones, centre numbers, IMEI etc., or can/should they be backed up?
- How easy is it to kill the phone doing this?
- Is there a tutorial (in english!) that explains all this that I should have read before posting this? I couldn't find one.

Many thanks for any help.
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Old 01-18-2004, 23:12   #2 (permalink)
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Okay, okay, sorry, I just found this thread after a bit more searching, and I understand that ok.

I've got Freia_ST and the C55 firmware/EEPROM 1 files from your website, Chris02. But before I try doing the upgrade...

What happens with T9? Is it part of the phone's firmware? And will the software be in english?

Can I save the A55's firmware/EEPROM 1 into two files before I upgrade, so I can put it back to how it was if I want/need to? And if this is possible, can an engineer tell that I've fiddled with the phone (ie. up- then down-graded it)?
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Old 01-19-2004, 18:45   #3 (permalink)
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Ever backup old Software before!

Just read flash/EEPROM (1) [C55 hasn't got a second one]

The file u have already downloaded has got a english language pack and T9!
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Old 01-19-2004, 19:46   #4 (permalink)
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Smile

Thanks Chris, that's great. Unfortunately I can't do it at the moment because my cable hasn't come yet
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