Update Galaxy Grand 2 LTE SM-G7105 to G7105XXUANB8 4.3 Firmware

The Galaxy Grand 2 LTE SM-G7105  gets 4.3 firmware to G7105XXUANB8 from the initial release build G7105XXUANB1 and  G7105XXUANAA has now seen hitting Poland, Germany, Greece and select European countries.  The G7105XXUANB8 got the new updated baseband version as an indication of a much newer tweaks for connectivity improvements, system stability, bug-fixes and among

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