If the file is a .jad or .cod file (a Java application):
| Problem | Solution | | :--- | :--- | | "Invalid COD file" error | You downloaded the wrong model file. Unduh ulang (re-download) the version for your specific BB (e.g., 9300 vs 9780). | | Signal still "edge" (lowercase) | Your phone is stuck on GPRS. Re-install the XPRJ and select "Force EDGE only" during setup. | | Phone turns off after loading | This is a conflict with BIS (BlackBerry Internet Service). You must wipe the phone using BBSAK before installing the English Best patch. | | No English menus | You downloaded an Indonesian or Russian version. Search for "English best xprj penguat sinyal edge" specifically. | unduh xprj penguat sinyal edge bb english best
The "English Best" version means: