1
vote
1answer
6k views

Which modem firmware for Samsung Galaxy S (GT-I9000) works best with the mobile networks in Russia?

Trying to use a Samsung Galaxy S device coming from China or Korea in Russia lead to the observation that the quality of the connection to the mobile network is much worse than on Samsung Galaxy S we ...
6
votes
1answer
714 views

Network Connectivity in GSM/WCDMA mode

I am using a Samsung Galaxy S Duos S7562 with Android 4.0. Whenever I disconnect a call, the network vanishes for a few seconds when the phone is in GSM/CDMA auto mode. The network is fine in GSM only ...
3
votes
3answers
2k views

data packet automatically activated on gingerbread 2.3.6

I just upgraded my samsung galaxy SL to gingerbread 2.3.6 After that, everytime my data packet is automatically activated all the time. I switch off my mobile network data and lock my phone, and then ...