Even with perfect commands, things go wrong. Here is the fix guide.
: It is a powerful "optimization trick" for areas with multiple base stations. By locking to a stronger or less congested cell, you can significantly improve speeds and connection stability. Availability : Unlike many stock gateways, the ZTE MC801A zte mc801a cell lock
(often credited to MioNonno). You paste this into your browser's developer console while logged in to reveal hidden band and cell selection menus. Identify the Cell : Use tools like CellMapper Even with perfect commands, things go wrong
By 2026, consumer routers like the MC801A will likely remove cell locking entirely, forcing users to rely on external directional antennas instead. By locking to a stronger or less congested
: You can manually select a tower that offers better carrier aggregation (CA) or lower congestion, potentially doubling your download speeds Rural Connectivity
The output looks like this: +QENG: "servingcell","NR5G","FDD",310,260,1234567,257,100,4,4,20,0,-78,-12,30,30,20
AT+QNWLOCK="common/5g",<ARFCN>,<PCI>