you can convert 3100b RH50 to 3100 RH19
* change the terminals as in the pic from any
1900/1800/900 phone
* flash it with RH-19
* flash it with the spesial 3100pmm to avoid the speaker problem
(the spesial pmm attashed as a txt .. convert it to rar)
* unlock the phone
here
enjoy....................................click here Ehab.txt