Sun NXT Coupon Codes, Offers, Promo Codes & Coupons May … May 12, 2022 · How To Use Sun NXT Promo Code? Step 1: Visit the Sun NXT app or website and log in to your account. Step 2: Select the subscription plan which you wish to purchase. Step 3: Sun NXT will also recommend you the best-related offer on related plans. Step 4: Click on Proceed To Buy. Step 5: Apply Sun NXT Coupon Code at checkout to grab the offer.