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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Various > Sagem > Infineon C16X M51 & ARM7 M52 BASED

Infineon C16X M51 & ARM7 M52 BASED
  • MYxxx: MY3078, MY3026, MY3027
  • MWxxx: MW3052, MW3042, MW3040, MW3020, MW936, MW939, MW939, MW930, MW940, MW3026, MW3027
  • MCxxx: MC3000, MC959, MC950, MC940, MC939,MC936, MC932, MC912, MC850, MC825, MC820, MC922
  • RCxxx: RC922, RC750, RC730
  • WAxxx: WA3050

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    Old 11-15-2020, 17:28   #1 (permalink)
    Junior Member
    Join Date: Aug 2020
    Location: United Kingdom
    Posts: 1
    Member: 2964221
    Status: Offline
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    Network Unlock and old Sagem RC 815 Plus


    So I've got an old Sagem RC 815 Plus from the late 90's which is locked to Vodafone UK. I was wondering about doing a network unlock on it, so any UK SIM card (where the network operator is in the right frequency of course) would work (e.g. O2/giffgaff).

    I've managed to access the third hotline menu using a technique I found online and I've written down the following values...

    ram adr 219 nbr 6 :
    prom 0 :
    prom 251 :
    prom 252 :

    I thought I could use them with a utility I'd found called 'sgmslck' but when they're entered it just states... "incorrect data entered/retrieved or phone uses unknown SIM-lock mechanism".

    Does anyone have any useful network unlocking tools for this kind of device?


    p.s. I asked Vodafone to unlock it, and after several months they've actually admitted they've lost the technical know-how to unlock it as it's so old.

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