RH-128
Service Software Instruction
Release hub will disconnect the communication. Then all the buttons are deactivated.
Enter calibration mode
All BB and RF calibration must be done in calibration mode. This mode can be entered when the phone
is switched on and in boot waiting time (only 1.5s). This mode can also be entered when the power is
already on.
In this chapter, use the Initial frame.
Enter when phone on.
A. Start with power supply power down.
B. Click on the Boot To Loader button.
C. Power on. Wait for phone to stop on boot.
D. Click on the Enter Cal Mode button.
E. Click on the Jump Loader button. Then wait for 3s to 5s, the phone is in the calibration mode.
Enter after phone on.
A. Start with power supply power on until the phone is fully on.
B. Click on the Jump Loader button.
D. Click on the Enter Cal Mode button.
E. Click on the Jump Loader button. Then wait for 3s to 5s, the phone is in the calibration mode.
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