Blackberry 9790 Flash File · Ultra HD

A command prompt window (usually blue or black) should appear, stating "Connecting to bootrom" or "Waiting for device."

Unplug the phone, remove the battery for 10 seconds, reinsert it, reconnect the cable, and quickly try running Loader.exe again. blackberry 9790 flash file

via USB and click the Connect button in BBSAK. A command prompt window (usually blue or black)

Reinsert the battery when prompted or once the process begins. remove the battery for 10 seconds

Double-click the downloaded flash file. It will extract to: C:\Program Files (x86)\Common Files\Research In Motion\Shared\Loader Files\9790_v7.1.0.1098_P7.1.0.1098