【AGPTEK】A52PL Firmware Upgrade May 31, 2024 A52PL Firmware Upgrade Model: A52PL Master Control: 2157 (V3 Mainboard) Charging Method: Internal charging hardware Charging Time: 3.5 hours Note: Due to a different charging IC, this update can ONLY be applied to the first batch of devices. Software Version: AGP-A52-V1.0 Software Date: 2024-07-04 Update on July 15th, 2024. Download >> A52PL Firmware Upgrade Model: A52PL Master Control: 2157 (V4 Mainboard) Charging Method: Direct Charging (Enhanced with an additional charging IC) Software Version: AGP-A52-V1.0 Software Date: 2024-06-11 Update on June 19th, 2024. Download >> A52PL Firmware Upgrade Model: A52PL Master Control: 2157 Charging Method: Internal charging hardware Software Info: AGP-A52-V1.0 Software Date: 2024-05-23 Update on May 31st, 2024. Download >>