@Sultan560 That's right, just reset your device and all settings will be the factory default.

@Sebaspo The speed 40Mbps is got when your device connected to RE200 5G wifi? How about the link speed? As you know, extender needs to receive data from router then forward data to PC/phone, and vice...

@scream2 RE650 can extend the wifi coverage. But if your router is not stable, and internet drops, then we can not obtain stable internet via RE650. So a reliable router is important too.

@soto It seems that phone failed to obtained IP address from your router via 850RE. Please try to forget and reconnect the wifi on your phone.

@Jim48 Whats's the hardware and firmware version of your RE200? 1. Please provide a full screenshot of RE200 as the picture below, then I can know this and provide further help. 2. Please also...

@Munster Here is my suggestion for you. 1. Please make sure the coverage is set as the Maximum. 2. 2.4GHz WiFi has better coverage than 5GHz, then you can always try to use 2.4G both. 3. Please try...