SPD3303C Series Firmware Update
Version：
V1.02.01.02.02R3
2023-11-28
Release notes
1． Improved LED blinks
NOTES：
A. V2.0 hardware version of SPD3303C do not support rolling back to the previous firmware version
B. V1.0 hardware version of SPD3303C do not support upgrading to this version
C. Press and hold the "NO.1~5" button for 2 seconds, after releasing it, it will display H2.0, which is the V2.0 version hardware
NOTES：
A. V2.0 hardware version of SPD3303C do not support rolling back to the previous firmware version
B. V1.0 hardware version of SPD3303C do not support upgrading to this version
C. Press and hold the "NO.1~5" button for 2 seconds, after releasing it, it will display H2.0, which is the V2.0 version hardware
SPD3303C Series Firmware Update
Version：
V1.02.01.02.02
2022-09-28
Release notes
1、This firmware version only supports V2.0 hardware version of SPD3303C
Notes:
A. V2.0 hardware version of SPD3303C do not support rolling back to the previous firmware version
B. V1.0 hardware version of SPD3303C do not support upgrading to this version
C. Press and hold the "NO.1~5" button for 2 seconds, after releasing it, it will display H2.0, which is the V2.0 version hardware
2. Need to use P20 version EasyPower to upgrade this firmware
SPD3303C Series Firmware Update
Version：
V1.02.01.01.03R10
2022-06-08
Release notes
1．Add the OCP function (Long push the current button (‘A’) get into or exit OCP function)
2．Some improvements about the USB’s stability.
3. Compatible new ADC
2．Some improvements about the USB’s stability.
3. Compatible new ADC
SPD3303C Series Firmware Update
Version：
V1.02.01.01.03R6
2020-10-27
Release notes
1、The buzzer abnormally sounds when the set value overranges
2、Change the limit of series voltage to 60V
3、fix a bug of recall function.
2、Change the limit of series voltage to 60V
3、fix a bug of recall function.
SPD3303C Series Firmware Update
Version：
V1.2.01.01.02
2014-09-30
Release Notes
Release Notes
