Re: 820-02100/02098 LCD Backlight Controller IC UP800..





On 2442 i have PMU_VDDHI 2,56v PPBUS_AON 12,27...

Re: 820-02100/02098 LCD Backlight Controller IC UP800..



Yes, you cand upgrade memory and ad more gb, in my iphone 13 i add 512gb from 128gb, and for example this is video for A2442 upgrading memory SSD, NAND

[url]https://www.youtube.com/watch?v=yBwF3_x1Oog[/url]Re: 820-02100/02098 LCD Backlight Co...tch?v=yBwF3_x1...

Re: 820-02100/02098 LCD Backlight Controller IC UP800..


Macs with m processors, you can change nand without any programmer, if i can do it then i reply here, same for iphone 12 and up, after you changed, you have to put it in dfu and reinstall the system....

Re: 820-02100/02098 LCD Backlight Controller IC UP800..



i originally had problem with backlight not working just while lcd was working, so in any case i have to buy 209100B1 and try if it starts again.

Thanks for the tip on the _AON I will check them again ...

Re: 820-02100/02098 LCD Backlight Controller IC UP800..



Probably its caused by Renesas 209100b1, but its 200€ on Aliexpres...

Re: 820-02100/02098 LCD Backlight Controller IC UP800..

Hi, I have an A2442 with a motherboard problem 820-02098, at first it was damaged by water, I was able to get it fixed but I did not completely, i get error 21 in apple configurator 2 and in DFU mode, I thought that the problem could be NAND it was visually browna little bit, up to here I was able to turn on the mac but the apple logo came out and immediately after restore image , I tried to remove first Renesas 209100b1 and reball it, just to try, maybe it works again, and after removed bad NAND and now It continue boot loop...