A: No. Flashing the OS does not carrier unlock a BlackBerry. You need an MEP code from your carrier.
A: Official RIM flash files are .exe installers. However, always scan with Windows Defender. If the .exe is < 50 MB, delete it – a real OS file is > 200 MB. blackberry 9790 flash file
Remember: patience is key. The BlackBerry 9790 flashes slower than modern phones, but an unbricked Bold 9790 will reward you with years of reliable, keyboard-based use. Keep the flash file saved on your hard drive – you will need it again once the NAND memory degrades. blackberry 9790 flash file