The warranty is extended during the stay of the goods in the SC.
From personal experience, modems from the Philippine and British (latest) firmwares seemed to be the best on my Duos. Saves switching from auto mode to 3g-only. Opsosos of the first sim card Tele2, the second MTS.
It seems to me that it is worth adding themes to the header that the installation of a modem (another region) "turns off" the receipt of OTA updates.
Post has been editedsip1970 - 09.04.16, 22:05