@netden Hi, No problem of connection after one month with the new firmware. Thank again

Hello @Sunshine, I tested the router with another sim card from another ISP in a place where the 4G reception is very good : The connection was lost after a dozen hours... Thanks for the link : I...

Hello, I recently replace my small “mobil 4g router” Tenda (without network problem) for a better router : one TP-Link MR550. He work but, for a short time : he lost 4G connection three time in ten...