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Hi, @refectio My name is Tomáš and recently i get iPhone SE water damage for repair. After water damage i remove motherboard from phone and clean with ultrasonic cleaner. Phone is booting but touch does not work. I measure supply voltages for Meson and Cumulus, there are all OK. I check connector for short and fuses also. All is okej. I replaced Meson and Cumuls from working iPhone 5s. Now touch is working only with china $@$* LCD, with original one does not work. I again replaced touch ICs, this time i use new one from my supplier and same problem. Touch work only with china $@$* LCD, with original one not. My primary question is, can i use iPhone 5s touch ICs to iPhone SE? And secondary question, where can be problem when touch work only with china $@$* LCD? Connector resistance is OK.
The IC’s are the same between the iPhone 5S and the iPhone SE. However, the IC’s are Cumulus & Sage, not Cumulus & Meson. You have to insure that the IC’s you used from your supplier are the correct ones (Sage). It is possible your original screen is defective. Do you have another “original/OEM/Premium” screen to try?
