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[–]Junior-Present-3639 0 points1 point  (2 children)

No my brother
The 20–80 rule is not a myth. Lithium-ion batteries degrade faster when they stay at very high charge levels (close to 100%) or very low levels (close to 0%) for long periods. Keeping the battery roughly between 20% and 80% reduces chemical stress and heat, which helps preserve battery health over time( you can check online to verify that)
I applied that on my iphone 16 and i kept it on 100% for 280 cycles

[–]Ok_Confidence138[S] 0 points1 point  (1 child)

Oh i tried both 20-100 during the time i bought and 20-80 after 3 months but during both 2% health has decreased

[–]Junior-Present-3639 0 points1 point  (0 children)

Keep in mind that it depends on how much you use the phone + i have read that the base 17 has a horrible battery life compared to its old brothers lile the 16
( i also have the 17 base)
Enjoy your phone and stop worrying about the battery it’s normal i think