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So I have a question that if it is possible to replace 6s plus battery to iphone se? I saw an article that the connector on iphone se is the same with iphone 6,6s,6s plus, even 7 and 7plus too. and someone tested if they are compatible to each other, and it worked. If it’s true, se users can replace battery with 6s plus or 7 battery then it can be used better battery capacity? if iPhone se has 6s or 7’s battery? Thanks mates!

Well, the iPhone SE has the smallest footprint of all those devices so you won’t be able to physically fit anyone of those batteries inside the SE housing. But yes, you can connect them when the phone is opened up and techs do this for testing all the time.

It will connect, but physically it would not fit in the phone. And i am unsure if the phone would power up with it connected.

Will a battery out of a iPhone 7 fes or a iPhone set a iPhone

I have a spare iPhone SE battery, is it possible to use it on a 6s?

I tried this out and it works the iphone SE 1 gen battary works on the iphone 6s and fully functional and the battary health would be the same as if you got it brand new test it out even and it will work for you