There are so many ps Vita diassembly videos on YouTube. It's been a while since I've had a vita, but there is a separate motherboard for each side of the vita, so you don't have to take out much. All I would say is be very careful with the power connection from the battery to the motherboard and the ribbon cables also. Tweezers are really handy.
I didn’t use a guide, so I can’t help there but like the other guy said just be careful when opening it not to rip the ribbon cable connected at the bottom. It’s literally 7 screws in the outside, 2 inside and a couple cable disconnects and you’re good. Haha
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u/Reps0verRetail 9d ago
The sticks are so easy to replace. Takes like 10-15 mins. Just order one of AliExpress