mpx220 ROM backup

[Guest Jxid]

Does anyone know where i can find a program for backing up my MPx220 ROM?

[Guest Solmyr_RO]

good idea, i was thinking about it too. i just put my hands on an original motorola 1.48 firmware non-branded and i wanna try 3.50 but i don't want to lose this rom. can somebody tell if the rom can be back-up.