How to Fix iPhone 7 Plus No Service with Warning Sign | Motherboard Repair

We have received a “No Service” iPhone 7 Plus from our customer who claimed the baseband couldn’t be verified after system restoration. When we power on and test, we found that there is a warning sign in the status bar, and therefore confirmed it’s caused by baseband failure. There are a lot of possibilities to create a baseband problem, in our previous video we have shared a baseband repair case, in this video, we will share more about baseband repair techniques, hope you enjoy our sharing.

Tools and Materials Used in This Video:
Solder flux
Hot air gun: https://bit.ly/3du6lyb
Microscope: https://bit.ly/3gLIs7n
Multimeter: https://bit.ly/2XTsFe1
Tweezers: https://bit.ly/36SxHM7
PCB cleaner
Cleanroom wipes
Desoldering braid/solder wick: https://bit.ly/3eGL2d4
Motherboard fixture: https://bit.ly/3dw0cl3
Knife blade: https://bit.ly/30alalJ
Screwdriver: https://bit.ly/2Xqiajt
Spudger: https://bit.ly/3drF8fy
iSlack suction pump/opening pliers: https://bit.ly/2yWJJHB

Questions are most welcome!
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