Sesuai untuk semua jenis Blackberry.
1. Kalau boleh cabut battery BB 2-3 kali sehari. Biarkan selama 1-2 minit.
--> Utk membuang dan menghapuskan sisa-sisa fail yang tidak terpakai.
2. Clear Log Event.
--> Tekan serentak Alt + LGLG -> logo menu BB -> Clear Log.
3. Cleaning Memory.
--> Options -> Security options -> Memory cleaning -> Clean now.
4. Host Routing Table (2-3 kali sehari).
--> Options -> Advanced options -> Host routing table ->Logo menu BB -> Register now.
5. Diagnostic Test.
--> Options -> Mobile network -> Logo menu BB -> Run. *tunggu sampai dia tulis 'Diagnostic Complete'*