Save the backup file ( .ipd or .bbb format) to a secure directory on your computer. Step 2: Preparing the Firmware on Your PC
Disconnect the phone, perform a soft reset (remove and reinsert the battery), and restart the update process.
Navigate to the central app loader directory on your computer:
Open or use the phone settings to perform a security wipe.
Go to Options > Device > About Device Versions to verify the new software version. Firmware Change Update on BLACKBERRY 9790 Bold
typically runs on , but it is officially eligible for the 7.1 OS update . Updating your firmware can resolve technical glitches, improve performance, and unlock features like Mobile Hotspot and Wi-Fi calling . Method 1: Wireless Update (OTA)
Do not skip this step! Failing to prepare can lead to data loss or a "bricked" device.
Use JL_Cmder or BlackBerry Swiss Army Knife (BBSAK) to perform a full wipe. Enter wipe command. Your 9790 will show a "Reload Software: 507" error – this is correct.
If a new version is detected, follow the on-screen instructions to download and install it. Method 2: Manual Update (Flashing with Loader.exe) Save the backup file (
The BlackBerry Device Application Wizard will launch. Click .
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Install this first to ensure your computer has the correct USB drivers for the BlackBerry 9790 Bold.
Flashing firmware carries risks. Prepare your device and computer carefully to prevent permanent damage (bricking) to your phone. Go to Options > Device > About Device
You will be downloading a firmware package, which can be several hundred megabytes.
Return to the AppLoader directory on your computer: C:\Program Files (x86)\Common Files\Research In Motion\AppLoader\
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