Yes, it is totally okay to buy an iPhone from Amazon.
A close friend of mine bought an iPhone from Amazon and it is a totally fine iPhone.
You can get it tested on the Apple site and if it fails you can return it back.
Amazon has a very decent return policy.
Is it safe to buy renewed iPhone from Amazon?
If the phone is certified refurbished by Amazon, it is probably OK to purchase. If you want an iPhone, at least buy a refurbished one from Apple. You may pay a little more, but you will know it will work and it will come with a 90 day warranty.
Does Amazon sell fake iPhones?
Apple said it bought more than 100 iPhones, power adapters, and Lightning cables from Mobile Star through Amazon and found nearly 90 percent of the goods were fakes. The suit is still pending, with Apple fighting Mobile Star in multiple courts in California, Washington state, and New York.
Is it safe to buy Apple products from Amazon?
Normally Amazon products are fine. You should strongly consider buying direct from Apple, the reason is because when you buy from another reseller you are sacrificing many privileges such as if there is a problem you can return the machine within 14 days for ANY reason.
Is it safe to buy iPhone online?
Yes, it is absolutely safe to buy iphone from Flipkart. But you can buy from any online website like Flipkart, Amazon, Snapdeal, PayTM. These websites serve you the best even if they are not Authorised Resellers.