cheucheu wrote:The link of this ROM is KO.
Could you repost the ROM ?
cheucheu wrote:How to backup your mobile before the upgrade ?
Have you a tool ?
Derk wrote:blackview_admin wrote:Charlysan2 wrote:Hi, the technical sheet of the MT6750T says it can operate on all 3G and 4G bands. Please Admin, I will confirm if Blackview will update the firmware to activate the bands 3g in B2 and B4, as well as in LTE bands B2 and B4. Thank you.
Sorry, there is an other hardware limitation that don't allow us that change on current devices.
The main reason will be that it costs royalties to unlock an LTE band and makes the phones higher priced. So no manufacturer will do this after sales...