@Shohel928419 Hi, refer to the guide below to change it to your own and remember it: https://www.tp-link.com/support/faq/73/#1

@Shohel928419 Which username and password are you referring to? If it is the default login username and password to access the router web interface, it should be admin/admin. However, if you have...

@Janez Hello, thanks for the detailed information. This TL-WR841N(TPD) seems a customized version for the local market, which means the firmware of the router might be restricted and not allowed to...

@Camilo19 It is suggested to update the Archer C5400X to the latest firmware released on the local website, then reset it to factory defaults and reconfigure it from scratch:...

@dumy86 Have you tried the beta firmware I posted on the community? https://community.tp-link.com/en/home/forum/topic/156295

@MariusG Does it mean the 1 TB worked fine while the 5 TB keeps dropping? Are they the same brand?