Do not flash firmware from F660, F680, or older B860 series – it will brick the device.
For a "deep" unlock—removing carrier branding and pre-installed bloatware—you must flash a custom ROM. Required Tools Amlogic USB Burning Tool Zte Zxv10 B866v2 Unlock
ZTE often leaves backdoor URLs active in firmware. These bypass the login screen. Do not flash firmware from F660, F680, or
: Sideload APKs like Netflix, YouTube (SmartTube), and IPTV players that might be blocked by the provider. These bypass the login screen
Most flashing tools and USB drivers are designed for Windows.
: Some "deep" unlock methods require opening the box and using a thin-tip soldering iron and a PC to connect to specific points on the motherboard to force a ROM change. Resources :
The least invasive method involves using the Android Debug Bridge (ADB). Go to .