@Adol-Cristin Hi, thanks for your cooperation! We will apply it for you~

@Peppermintloft Hi, we are applying the opportunity for you. Once passing, you may see the access to Kidshield on your Tether App.

@orbela Hi, sorry for replying to you late~ I am afraid that you failed to upgrade firmware. The firmware I provided is TL-MR6400(APAC)_V5.3_220506. If you tried many times but no effort, sorry,...

@sephknite Hi, thanks for your detailed update. May I confirm model of your old router? I think the reaction time of WiFi is related to the design difference. Also, Archer GE800 is a WiFi7 router...

@D4ni911 Hi, thanks for posting question here. You may refer to this guide to check your DNS settings. For the unstable connection, it is suggested follow this guide to troubleshoot.

@orbela Hi, thanks for posting question here. It is a pity to hear that. You may try to download the firmware of TL-MR6400(APAC)_V5.3 from this official website (choose "Still Download"), and...