There is no single universal "best" password for Excitel Wi-Fi, nor is there a universal default password that works for every router. Because Excitel uses a variety of router brands (like TP-Link, Tenda, D-Link, and Nokia) and installs custom firmware, the credentials vary by device.
Some tips to generate a strong password: password of excitel wifi best
Excitel has a "Excitel Care" app (for managing bills and plans), but it does not show your WiFi password. You must use the router admin page or the sticker. There is no single universal "best" password for