heloo my brother just send me a gift card and there is no redeem now button

Redeem a gift card on your iPhone, iPad, or iPod touch

At the bottom of the screen, tap Today. At the top of the screen, tap the sign-in button or your photo. Tap "Redeem Gift Card or Code." If you don't see “Redeem Gift Cardor Code,” sign in with your Apple ID.

Redeem your Apple Gift Card - Apple Support

Redeem your App Store & iTunes Gift Card - Apple Support

Redeem a gift card with your iPhone, iPad, iPod touch · Peel or gently scratch off the label on the back of the gift card to reveal a 16-digit code that ...