You can find the latest updates under Settings > About device > System updates. You can use the downloads at the bottom of this page to install the latest full OS version instead of incremental updates. To install an OS as a ZIP-file, follow the guide here.
Release notes
- NX2V100R001C03B045 – November 2020
– Enhanced battery power management
– Fixed bug: Pistol grip reboot issue
– Fixed bug: Switch preferred network type after disconnect
– Minor bugfixes
- NX2V100R001C03B042 – November 2019
– Fixed the bug: EMSH and UHF does not work after reboot
– Restore the Menu button to the function of the recent-app
– Enabled volume buttons by default
– To set the value of Adb tcpip command setting is still valid after reboot
– Updated iScan(iScan-V1.1.19.apk, added continuous scan option to iScan settings), and made scanning button to trigger the continuous scan.