Quick answer: USB flash-drive support on a copy iPhone 18 Pro Max depends on the phone's actual USB mode, software and adapter. Verify file access before buying accessories or relying on the device for backups.
What to test
- Connect a compatible USB drive and adapter.
- Check whether the phone recognizes the drive.
- Open a photo or PDF from the drive.
- Copy a small file to the phone where supported.
- Safely disconnect the drive.
Do not assume Apple's external-drive workflow applies to a third-party smartphone. OTG behavior can also differ between models and software builds.
HORUS 18 Pro Max listing · USB-C accessory guide.
FAQ
Will every USB flash drive work?
No. Verify the phone, adapter and drive combination.
Does charging through an adapter prove OTG works?
No. Data access must be tested separately.
Disclaimer: Inspired third-party smartphone. Not affiliated with Apple Inc. External-device support should be verified on the actual unit.
