iPad Air 5 64GB Perfect Upgrade to 512GB + Battery Replacement, Ready for Another 5‑Year Usage!

As one of the first models powered by the M-series chip, this iPad Air 5 still delivers strong performance after 4 years of use. The owner bought the 64GB version, but storage has long been insufficient — files and photos have been deleted repeatedly. He sent it in for a 512GB storage upgrade paired with a battery replacement (503 cycles, only 6258mAh remaining capacity), with the rare iOS 16 system still intact. For the storage upgrade, we used the safest physical polishing method to remove the original NAND — ensuring old data is completely unrecoverable and avoiding heat-related board damage — then installed a 512GB chip with BGA underfill and constant-temperature reflow soldering at 100°C. Fresh M-series thermal gel was applied to core chips. The battery was upgraded via cell transplantation, preserving the original battery flex board with a new high-quality cell and updated firmware data. In a live-streaming test at 50% brightness and volume, battery life improved from 6h 4min to 7h 4min — exactly one hour longer. The M1+512GB combination easily handles another 5 years of use.