The default username and password of the Web-based Utility are admin (in lowercase). www.tp-link.com Change Language in TP-LINK TL-WR842N, How To
: Select your preferred language from the list and click Save . Regional Firmware (The "RO" Factor) Change Language in TP-LINK TL-WR841N -RO- v11.x
: On the left-side menu, select System and then click on Time & Language . The default username and password of the Web-based
: Click the Save button to apply the new language across the entire interface. Quick Alternative Change Language in TP-LINK TL-WR841N -RO- v11.x