Hi RazTeo,
Thank you for bringing your problem here in Apple Community. I'll do my best to help you.
Unfortunately, I didn't understand your question. What do you mean when you say: register to Apple Warranty. Do you mean how to buy Apple Care package or Warranty that came with you iPhone expired so you now want to extend it.
Please specify your query so I can try to solve your problem.
Sincerly,
Marijan
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