Colorful or black lines appear on the screen.
Once your repair is successful, implement these habits to avoid encountering the same issues again:
Touch a grounded metal object to discharge static electricity.
If DIY isn't for you (or you already broke one LCD trying to replace it), take the phone to a shop. However, many modern repair shops will V20 repairs because they donβt stock the part. lcd repair v20
Reconnect all ribbon cables by pressing down gently until you feel a click. Do not force them. Snap the rear housing mid-frame back into place.
Locate the securing the plastic top/bottom guards and the mid-frame matrix.
Disconnect the front-facing camera, earpiece, and the display flex cable from the motherboard. Phase 2: Removing the Old Screen Colorful or black lines appear on the screen
Before ordering parts, identify the specific problem:
The LG V20 is a dinosaur in a world of sealed, glass sandwiches. Searching for is a rite of passage for owners of this legendary phone. While the dual-screen design adds complexity, the modular build makes it one of the few phones you can still repair at home with basic tools.
Compare this to the phoneβs value: A used LG V20 in good condition sells for $60 β $120 on Swappa. However, many modern repair shops will V20 repairs
Reconnect all the ribbon cables (LCD, front camera, headphone jack). You should feel a distinct click when they seat correctly.
Ghost touching occurs when the screen registers inputs you didn't make. This happens if the LCD ribbon cable is crimped, bent too sharply, or touching bare metal components it shouldn't. Ensure the cable rests flat in its designated channel. Screen Bleeding or Image Retention
Remove all old adhesive and glass shards. Isopropyl alcohol helps.
The LG V20 runs hot, which degrades LCD crystals over time. Avoid heavy gaming while charging the device to prevent localized heat damage on the screen panel.
