Hi bro ,
Suddenly oru confusion i have iPhone 14PM and warranty ennum 10 days la complete aga poguthu so epo 17k kuduthu warranty extend pannava or iPhone ah potu iPhone 15 plus vagava ??
Pls suggest and my preference is battery and performance
hello bro, 14 pro max is still a very good phone. you can use it for one more year atleast and then consider upgrading. from 14 pro max to 15 plus will be a downgrade as far as I know. 15 Pro max is a mild upgrade which is not recommended too. So waiting till 16 pro max comes out and see what it comes with will be smart choice.
so if you need Protect+ mathiri extended warranty apply pannitu neenga use pannalaam if needed is what my suggestion will be.
Apo iphone 15 plus la Evolo battery irukum consider to 14PM … in paper looks 15 plus have bigger battery 
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from the apple website you can see its 14 pro max that has better battery backup for video and audio playback. Considering the resale value and moving to 15 plus from 14 pro max is still a downgrade bro.
USB C port and 40 grams reduced weight are the advantages, but its going to be the same processor. So technically you still have the best iPhone. if those two features are not a big deal, then staying on 14 pro max will be good idea bro.
Correct tha bro ana all users reports saying iPhone 15 plus have good battery life compared to 14PM
Are you able to get 1.5 days usage for normal use bro? I am using iPhone 15 Plus, and it entirely depends on how much usage we have per day. some day I get only 1 day when more instagram, facebook and youtube app usage present.
So when your ip 15+ battery health reduce ana unga screen usage also reduce agum la bro ?
no bro. until it reaches 82 or 83% we wont notice much difference. It will still give good backup for our day to day usage.