cell
- April 4, 2025, 10:01 a.m. : no commiunication with modem
- April 4, 2025, 3:59 a.m. : failed to register on network
- April 3, 2025, 10:02 p.m. : failed to register on network
- April 3, 2025, 4:01 p.m. : failed to register on network
- April 3, 2025, 9:59 a.m. : failed to register on network
- April 3, 2025, 4:02 a.m. : failed to register on network
- April 2, 2025, 10:01 p.m. : failed to register on network
- April 2, 2025, 4:01 p.m. : failed to register on network
- April 2, 2025, 10:01 a.m. : failed to register on network
- April 2, 2025, 4:01 a.m. : failed to register on network