Sound problem with iphone 7 during a call I have 2 iphone 7 and i have a problem with the older: sound is bad during a call but sound is ok with speaker ON.iOS is the last 11.2.5For the other i have no problem.I tried to exchange sim card and configure the iphone with with same options but nothing change.. the older has always sound problem.I will go to the store for a repair and would mike to This iPhone 7 plus, we have replaced 2 ic's and all four jumpers. Still audio ic shows fault. Finally, found the cure after learning SD ram inside the ic wor The problem: The audio chip U3101 is disconnected from the logic board. The iPhone 7's logic board may be slightly twisted and often results in a broken track. iPhone 7 Plus audio Ic repair ## #iphone #iphonerepair #phonerepair #repairiphone #apple #microsoldering #cellphonerepair #plus #repair #ipadrepair #screenrepair #samsungrepair #mobilerepair iPhone X Magnetic Screw Mat. $3.70. - +. Add to Cart. Free Opening Tool! Please review our Disclaimer, before purchase! Compatibility. iPhone 7. iPhone 7 Plus. Step 1 iPhone 7 Logic Board Map. Insert wisdom here. 2 comments. Conclusion. To reassemble your device, follow these instructions in reverse order. Give the author +30 points! 54 other people completed this guide. Open up the repair software on your computer and plug in your iPhone. Click our Standard Mode to repair your greyed out speaker button. Step 2 Follow all the instructions that pop up on the screen so you enter DFU or Recovery Mode. Step 3 Download a repair firmware from the list of options on screen. iPhone 7 plus u2 ic replacement | iPhone 7 plus u2 ic location | iPhone 7 plus u2 ic changeiphone 7 plus charging not increasingiphone 7 plus charging not sa Hi guys, I got a strange iPhone 7 Plus here. The phone initially has classic audio IC fault. Here is the story: I successfully fixed audio IC, but somehow disturbed the baseband chip on the other side of the board, the phone had no service after audio ic repair. I asked someone to reballed the big baseband chip for me (as I can’t do baseband). Hello in this video i will show you how to fix iPhone 7 or 7 Plus no all sound PP_SPK_Vboost Shorted and replace New small audio ic Done .Subscribe and like C4WbkZ.