@Namann1 Hello, can you please provide more details about the issue you are experiencing? Is the 4G connection not stable on the MR100? 1. Are both the wired connection and wireless connection...

@john.awad @5day_return Hi, please check this latest beta firmware we've uploaded here: https://community.tp-link.com/en/home/forum/topic/241534

@Spectzx Hello, what's the model number of your TP-Link device? You can install the beta firmware and check if it works: https://community.tp-link.com/en/home/forum/topic/241534

@hass_m Great job. Please monitor if the issue is fixed by disabling TxBF and MU-MIMO, if yes, please mark this as the Recommended Solutions, which may help others more efficiently. Thanks a lot.

@Niten @Yelxuh May I have the model numbers of your TP-Link devices? When you try to block the device on Tether app and it shows failed, is that device still connecting to the network of the TP-Link...

@AlinBallin Thank you very much for the logs, which will help the engineers to locate the issue, please keep in touch with the engineers to fix it.