@Masud79 Hi, Deco E4 does not support the function you describe. I would report your feedback to the related department. Thanks for your feedback.

@HugoNoia Hi, Please login with the owner account, and then add new units to the current network. How to add an additional unit to your Deco network

@lavisa Hi, The router does not support the function you described at present. We would like to feedback your request to the related departments.

@Spoogel Hi, It is recommended to insert the two units into the wall sockets within the same room and test. If it can work normally within one room, the it should be the environment that affects.

@Boom2 Hi, You can disable Smart Connect and test the speeds separately on 2.4GHz and 5GHz. If the speed on 2.4GHz is slow, try to change the channel and channel width. Besides, you can also confirm...

@IrfanStats Hi, Please check if the router can detect the SIM card normally. If the SIM card is detected, please follow these troubleshooting steps.