If the phone displays "Test Mode" after flashing, remove the battery for 30 seconds, reinsert it, and power the device on manually. Conclusion
The flash tool fails to detect the phone’s bootloader. This is generally a driver or connection issue. Solution: Try a different USB port (preferably USB 2.0) and a high-quality USB service cable (FBUS). In some cases, the device may require hardware repair if the boot section of the NAND chip is damaged. rm-614 arabic flash file
A functional Nokia C3-00 (RM-614) with at least 50% battery charge. If the phone displays "Test Mode" after flashing,
Briefly press the phone's (1–2 seconds) so the PC detects the hardware boot ROM. Click OK on the pop-up window. remove the battery for 30 seconds
When flashed, this file enables: