If you've replaced the battery on your iPhone XS, 11, or 12, you may see an "Important Battery Message" pop-up. In this article, Phonefix compare four different methods to help you to Remove Non-Genuine Battery Warning on iPhone X-14 Pro Max.
Solution 1: Add An External Battery Cable
To remove the non-genuine battery warning, you can use an external battery cable that interfaces with your third-party battery while transplanting the original BMS board. There are three types of cables available:1. Pre-Programmed Battery Tag-on Flex Cable- NO Programming
This cable allows you to modify the battery health to display 100% capacity at 0 cycles without any additional programming or equipment, but does require transplanting the original BMS board.

Alternatively, you can use the JC Battery Repair Flex Cable or i2C OSS Flex Cable, which provide more advanced options for reading, writing, and modifying battery information. These cables require additional equipment and expertise, but offer greater flexibility in customizing battery settings.
2. JC V1SE Battery Repair Flex Cable

How-to: Connect this flex cable to the original battery board, and use the JCID V1SE programmer to modify battery information. It can solve charging, lifespan, and warning issues.
This method solves charging times, battery lifespan, battery code, and warning message pop-up issues.
3. OSS W12 Pro Battery Repair Programmer
If you're looking for a cost-effective solution that addresses iPhone 11-14 Pro Max models, the OSS W12 Pro Battery Repair Programmer is an excellent choice.

Solution 2: No external battery cable is required
To eliminate non-genuine battery warnings, this W09 Pro Tester does not require transplanting the original BMS board or tag-on cables.The W09 Pro V3 Battery Life Pop-up Tester is a groundbreaking solution that fix the "Unknown Parts" pop-up issue without the need for a battery tag-on repair FPC cable.

Solution | Pre-Programmed Battery Tag-on Flex Cable | JC V1SE Battery Repair Flex Cable | OSS W12 Pro Battery Repair Programmer | W09 Pro V3 Battery Life Pop-up Tester |
---|---|---|---|---|
Features | - No programming required | -Requires Equipment for Reading, Writing, and Modification. | -Requires Equipment for Reading, Writing, and Modification. | - No Tag-on Flex Cable required |
Requirements | - Original BMS Board | - Original BMS Borad+Programmer | - Original BMS Board+ Programmer | - No other assistance is needed |
Ease of Use | - Easy to use | - Requires programming | - Requires programming | - Easy to use |
Compatibility | - iPhone 11-14 Pro Max | - iPhone 11-14 Pro Max/SE3 | - iPhone 11-14 Pro Max | - iPhone 11-15 Pro Max |
To sum up
To remove the non-genuine battery warning on iPhone X-14 Pro Max, you have several options. PHONEFIX Pre-Programmed Battery Tag-on Flex Cable is ideal for DIY enthusiasts, offering a hassle-free installation.The JC V1SE Battery Repair Flex Cable provides comprehensive calibration options for professional repair technicians. The OSS W12 Pro Battery Repair Programmer offers an affordable and effective solution.
For experienced technicians, the W09 Pro V3 Battery Life Pop-up Tester bypasses the Battery "Unknown Parts" pop-up issue. By choosing the right method, you can successfully remove the warning and replace the battery on your iPhone X-14 Pro Max.