cell
- Aug. 20, 2022, 12:37 p.m. : no commiunication with modem
- Aug. 20, 2022, 6:12 a.m. : success.
- Aug. 20, 2022, 6:19 a.m. : None
- Aug. 20, 2022, 12:12 a.m. : failed to register on network
- Aug. 19, 2022, 6:30 p.m. : failed to register on network
- Aug. 19, 2022, 12:33 p.m. : failed to register on network
- Aug. 19, 2022, 6:37 a.m. : failed to register on network
- Aug. 19, 2022, 12:36 a.m. : failed to register on network
- Aug. 18, 2022, 6:34 p.m. : success.
- Aug. 18, 2022, 12:12 p.m. : failed to register on network