@TPint Hi, Upon checking, that you can check the related information here in its webpage: Advanced>System Tools>Session Timeout. It should be 180s by default, but you can also manually set it.

@jayppp Hi, If it cannot update the firmware directly on the phone, you can manually download the firmware from TP-Link official webpage, and then upgrade the firmware manually. Please refer to...

@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.