Apple dedicated storage USB flash drive reference design

Apple mobile phones are stylish and high-end. Every new model makes Apple fans scream. However, the price difference between 64G and 16G is too big. The only difference is the storage space. A 64G USB flash drive is only more than 100 yuan, but the iPhone is more than 1,000 yuan more expensive. It is really a love-hate relationship. Android supports SD cards, but iPhone does not (Apple is so awesome!). If there is a USB flash drive dedicated to Apple, then all problems will no longer be a problem. The author saw a solution provider specializing in Apple devices at an exhibition, which has provided a complete solution. Lightning/USB dual connector design, suitable for both Apple and PC. The product can pass MFI certification. High-definition movie playback is stress-free. Practical and rich APP screen (APP has been listed in Apple Store, genuine version does not need jailbreak) Product parameters: Minimum size: 10mm x 3mm x20mm Device weight: 20g Storage capacity: 8GB~256GB Power supply: No external power supply required, plug and play Transmission speed: Communicate with PC, read 11MB/s, write 9MB/s; communicate with mobile phone, read 9MB/s, write 7MB/s Operating system: iOS6.0~iOS9, windows XP, windows 7, windows 8, OS X 10.5 and above According to the evaluation of the solution provider, the BOM cost is estimated to be less than US$5. The above solution provides schematics and source code for friends who need development and production. `