Infinity-Box BEST v1.91: WP 8.1 Support , New MTKx features and more

USB flashing improved
- WP 8.1 Flash Support released
- WP 8.0 Flashing Revised ( WinXP Dead Mode bug )
- MTKx FlashEngine revised (MTK6260 support improved)
- MTKx "Repair Flash" mode improved (MTK6260 support)

More info