Even with careful preparation, you may encounter issues. Here are fixes for the most common problems:
If you are trying to , I can help you find the specific OS files. Do you have the exact model number (9800 vs. 9810) and the carrier it was originally from? BlackBerry Classic Q20 Autoloader: Download & Install Guide blackberry 9800 autoloader
Legacy BlackBerry phones are notoriously sensitive to low-quality cables. Use a high-quality micro-USB cable plugged directly into a motherboard USB port (avoid USB hubs). Even with careful preparation, you may encounter issues