Flashing a BlackBerry is a technical process. Before downloading the file, ensure you have:
Post-flash checks
If the device is sluggish or being sold, a security wipe is used to clear user data: Security Wipe blackberry 9800 flash file top
Branding from specific cellular networks can slow down your device. Flashing an unbranded or "All Languages" global ROM removes carrier restrictions. Flashing a BlackBerry is a technical process