@Luiz_Segantini What if you connect this other equipment(router ou notebook with eth ports 100 MB) to the Hauwei Modem directly, will you be able to get around 70/80 MBps? If the answer is yes, refer...

@quillon Refer to this troubleshooting steps to confirm if you can access it: https://www.tp-link.com/support/faq/2219/

@JRBATH Have you updated the router firmware to the latest version, which is 201214? This version has optimized the wireless connection: https://www.tp-link.com/support/download/tl-wr845n/#Firmware

@Pheasantboi May I know how many characters of the login password, less or more than 15? You can check if you encounter the same issue as others here:...

@hsevillav Have you ever updated the firmware before? If you cannot install the firmware for ES version, try to upload the EN version, then check if you can update it:...

@Shreyas951 Generally, if the wireless interference in your areas is substantial, then you may encounter the Wi-Fi disconnect issue. Install on your phone "Wi-Fi analyzer" app and search for the less...