LG MG370 Service Manual page 92

10.1.10 Calibration data will be saved to the following folder.
Notices:
1. The state of Phone is " test mode " during the CALIBRATION.
2. Calibration program automatically changes either "normal mode" or "ptest mode".
3. RF Calibration steps as follow:
TX Channel compensation: GSM850->PCS
RX Channel compensation: GSM850->PCS
4. Phone Operation Mode
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10. Calibration
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