For sale iPhone 11 / 64 gb. The phone is in excellent condition, all functions work. Battery 78%. There are scuffs under the speaker. The charger is included.
Never pay down a deposit in a bank account until you have met the seller, seen signed a purchase agreement.
No serious private advertisers ask for a down payment before you meet.
Receiving an email with an in-scanned ID does not mean that you have identified the sender. You do this on the spot, when you sign a purchase agreement.