Feature:1. FOR BATTERY TESTING: Supports battery level test, 1:1 copy of battery data, one key resurrection of battery efficiency and full charge capacity, one key clear, serial number modification, fixed capacity, full charge capacity, number of cycles, factory version and serial number.2. FOR MODEL TESTING: Can test system status, device model, health status, chip model, firmware version, number of cycles, product manufacturer, product serial number, measurement status, chemical mark, factory code.3. TESTABLE PARAMETERS: Can test standby current, remaining capacity, design capacity, full charge capacity, current voltage, average current, battery temperature, maximum load current, etc.4. APPLICABLE MODELS: This battery data cable tester is suitable for iOS mini 1 2 3 4, for iOS 3 4, for iOS Air 1 2, for iOS Pro, for watch OS, with stable performance and strong compatibility.5. INCLUDED ACCESSORIES: Including a battery tester, test boards, power cable and data cable, this battery data cable test kit is convenient and practical for a wide range of applications.Specification:Item Type: Phone Battery TesterProduct Model: W28pro V8Applicable Models: For iOS mini 1 2 3 4, for iOS 3 4, for iOS Air 1 2, for iOS Pro, for watch OS.Package List:1 x Tester4 x Test Board1 x Power Cord1 x Data CableNote:1. The tester itself needs to be fully charged to get accurate test results. If the power supply is insufficient, please charge it in time. In the upper right corner of the screen is the battery level of the instrument. If the screen dims or flickers during the test, it is considered low power consumption. Please charge and use.2. This tester cannot repair cells that have been physically damaged due to service life! Only the performance and various parameters of the battery can be detected, and the function of repairing the battery efficiency is only available to customers who need it. After repair, it will return to its original efficiency after multiple automatic charging and discharging.3. For problems during the upgrade process, if the upgrade is successful but the tester does not restart automatically, you need to manually turn off the power and restart it. If the upgrade is interrupted or failed unexpectedly, you can turn off the power and then turn the tester back on by pressing the right button on the tester. The computer will prompt that the tester is connected, upgrade mode, and now, it can be upgraded again.