I want to order the form of payment is how so

vale77 wrote Model : Hardware Version : Firmware Version : ISP : i've just bought M7350 with this Firmware Version: 1.1.1 Build 160330 Rel.1002n is it possible upgrade to V4? This file is it correct?...

martinmistere wrote Up: I've also tried to use the sim into another modem/device and the yellow triangle does not appear...so I think it there is an issue with the modem configuration. can you help...