The only warning I have is to ensure a high capacity Lightning charging connector is used with these cables to ensure fast charging. They won't charge your phone if you use cheap plugs from other manufacturers. and you will be disappointed with their performance even if it is not a cable issue. There are no error messages since the cables are compatible with the iPhone, but otherwise it takes a whole day to charge the phone with a slow charger. It features durable aluminum alloy connectors, high-strength PVC, and tinned copper wires to ensure 100% compatibility for stable data transmission. Over-temperature protection, current support 2.4A (max) and the latest IOS system. So that would be my only warning when using these cables, make sure you use a suitable high output charging connector. If I didn't have all those extra Samsung connectors, I would definitely shrug off the extra $$ for OEM iPhone charging ports.
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