High power mode (AT+ZPASMODE=1) unless you have thermal management and legal clearance.

An unlocked router is more valuable and easier to sell on the second-hand market.

Once your ZTE MF920U is successfully unlocked, you must optimize its settings to ensure you get the absolute best speed and connection stability from your new network provider. 1. Configure the APN Settings

: You will need your 15-digit IMEI number, which is usually found on a sticker on the back of the device or by dialing *#06# on a device connected to the interface.

Band locking + APN change. Maximum performance: External antennas + CA enable.