newfeatures:
1) Automatic Allystar GNSS unit firmware upgrade is added.
2) Bootloader 2.5 is added.
3) Support for devices Galileosky V7X.4.x is added.
4) Firmware downloading is optimized.
5) Support for devices Galileosky V7X.1.83 is added.
6) Support for devices Galileosky V7X.1.25 is added.
7) Support for devices Galileosky V7X.0.86 is added.
8) Support for devices Galileosky V7X.1.53 is added.

corrections:
1) Registration in Cat-M1 networks on devices with SIM7070G modem is fixed.
2) Configuration loss made by newer firmwares is fixed.

annotations:
This firmware is designed only for upgrading a bootloader to version 2.0 and for upgrading a firmware from version 32 or lower to version 34 or greater.
Before updating the bootloader, make sure that the device is connected to an external power source with a voltage of at least 8V.
1. Send the UPGRADEBL command. A 4-digit code will be sent in response.
2. Send the UPGRADEBL command with the code received in the previous step.
3. The device will reboot and the bootloader will be updated.
4. Upgrade to firmware 34.0 or greater.
Revision 15

Commit SHA hash 451ae092 
