Any new updates released to our phones will contain bug fixes to some extent but other fixes are all improvements to the OS in general and applicable to all models from and not just 5T/5.
I keep hearing from most people that they noticed some bugs / battery draining faster after upgrade etc, that's because our hardware isn't designed to take these updates in the first place.
I along with 7 other friends(college) did an experiment- all own 5T
1st batch - 3 people stayed on original shipped version - Android 7.1.1
2nd batch 3 have upgraded to OxygenOs 9.0.9( ONEPLUS_A5010_43_191008)
3rd batch 1 person upgraded to 9.0.11
2nd batch - noticed brightness has decreased and faster battery drain after update
3rd batch - noticed, further battery drain - more charging required, app crashes, wifi breaks, battery same as batch 2
1st batch - just ignored all upgrade notifications, battery and brightness are better than batch 2 and batch 3. Phone in excellent condition and can go on up to another 3-4 years easily
Now if you all still want to go and try android 10 or any updates pushed at your face, be my guest and mess up your phones. And eventually, you will have to spend money on new phones because you will be fed up with the slowness and issues. Now, if you rich enough to keep buying 40,000 INR phones every 1.5 years no problem. Otherwise, think about what I just said.
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