NOKIA DCT4 AND BB5 FLASH FILES AND FIRMWARES

Nokia DCT4 and BB5 Flash Files and Firmware Guide

Introduction to Nokia Flash Files

Nokia mobile phones use firmware or flash files to restore, update, or repair a device when its software becomes damaged or corrupted. These files are installed using specialized flashing tools. Different Nokia models use different flash systems, such as DCT4/DCT+ or BB5. Knowing which firmware to use is essential for technicians and mobile repair professionals.

Nokia DCT4 and DCT+ Flash Files

DCT4 and DCT+ firmware are used for older Nokia phones. Each model may have multiple firmware versions that correspond to different regions or software updates. Below is a sample list of common DCT4 firmware:

Popular DCT4 Models and Their Firmware Versions

• 1100 (RH-18): 8.11
• 1101 (RH-75): 5.04
• 1110-70: 6.40, 5.54
• 1110i / 1112 (RH-93): 7.02, 6.91
• 1200 (RH-99): 6.00, 5.80, 5.71, 5.53, 5.51, 5.23, 5.06, 4.51, 4.11, 4.00, 3.44
• 1600 (RH-64): 7.02, 6.93, 6.90
• 1650 (RM-305): 6.00, 5.91, 5.80, 5.71, 5.53, 5.51, 5.32, 5.30, 4.51, 5.06, 4.11
• 2610 (RH-86): 7.11, 6.70, 4.90
• 2630 (RM-298): 7.60, 6.82, 5.62, 5.61, 5.20, 4.90, 4.21

Notes on DCT4 Flash Files

Always check the firmware version before flashing, as using the wrong version may damage the phone. Use trusted flashing tools and cables to ensure a safe update process.

Nokia BB5 Flash Files

BB5 firmware is designed for newer Nokia phones with enhanced security. These files often include multiple versions to address software bugs or add new features. BB5 phones require compatible flashing software for installation.

Common BB5 Models and Firmware Versions

• 2220s (RM-590): 9.55
• 6290 (RM-635): 9.70, 9.65
• 2700c (RM-561): 9.80, 7.80, 7.15
• 3109c (RM-274): 7.21, 7.00, 6.01, 5.50
• 3120c (RM-364 / RM-365): 10.00, 9.41, 7.16, 6.20
• 5230 (RM-588): 13.0.089, 11.0.079, 10.0.067
• N95 (RM-159): 35.0.002, 31.0.017, 30.0.015, 21.0.016, 20.0.015, 12.0.013
• N97 Mini (RM-555): 11.0.102, 11.0.045, 10.0.020

Tips for Using BB5 Flash Files

BB5 phones are more sensitive than older models. Always backup user data before flashing, and make sure you are using the correct firmware for the exact RM model. Using the wrong file or flashing tool may permanently damage the device.

Conclusion

Both DCT4/DCT+ and BB5 firmware are essential for repairing Nokia phones. Proper use of these flash files ensures that phones remain functional, up-to-date, and free from software errors. Whether you are a technician or a hobbyist, keeping a library of firmware files for different Nokia models is crucial for quick and reliable repairs.