Despite the initial flood of orders, there are still many stores which are offering Apple's new smartphone. Though the bulk of best trade-in deals has already expired, many leading stores in America are still making trade-in offers for your Old Apple Phone.

Hence, for users who want to trade-in your old iPhone for Apple's latest iPhone 6 or iPhone 6 Plus, they can do it in these stores:

Wal-Mart

United States' largest retailer has launched its iPhone trading program on Friday in more than 3,000 stores nationwide. Those who have their iPhone in good condition may even get double than their device's trade-in value. But the offer is limited time only and available for customers whose iPhone's trading value is of $200 or less.

AT&T

AT&T is offering its customers a trade-in value of up to $300. The promo will last up to 31^st Oct. AT&T offers $300 promo card for an iPhone 5s, $200 for an iPhone 5 or 5c and $100 for an iPhone 4 or 4S.

Verizon

Verizon is also offering similar trade-in values as AT&T. However Verizon's promo lasts until Oct 15 only. The offer is available on unlocked phones too.

Sprint

Sprint has also offered to buy out the phone plans of the customers from other carriers. However, the deal only applies to "customers who bring their number from another carrier and activate an iPhone 6 or iPhone 6 Plus on the Sprint Simply Unlimited Plan." The promo's expiring date is 31^st Oct. Sprint will give its customers a Visa Prepaid Card worth up to $350 per line. However, customers may have to wait for 12 weeks for prepaid cards.

T-Mobile

T-Mobile is promising a trade-in value over $350, if your iPhone 5 is in good condition. They are also promising to match any better offer you may find elsewhere. "If you do find a better trade-in value from AT&T, Verizon, or Sprint, we will beat it and pay out the difference," the company promises on its trade-in page.