@zyzniewski Hi, 1. Please try to reset the device to factory defaults by holding reset hole for about 10s to see if there is any response 2. Please try to take out the battery and insert it again,...

@Saimon77 Hi, Carrier Aggregation is supported and enabled by default. For the supported bands and band combinations, please check the specification of the product on our official website. However,...

@Sumitradipakpa Hi, are you trying to update firmware version on MR600? and what is the error message? In addition, what is the current hardware and firmware version of your MR600? and which firmware...

@NH_Synergy Hi, please make sure the SIM card package allows to use on 4G router. In addition, please share with us screenshot of Advanced->Status page, Advanced->Network->Internet page along with...

@mario66 Hi, the MR6400 doesn't support bridge mode or extender mode, it needs to use either SIM card or Ethernet connection as internet source.

@StefanoV Hi, could you please double check the hardware version of your MR6400 on the product label? is it V5.0 or V5.20? For the firmware version, please let me know the build numbers In addition,...