Introduction: LG G4 Bootloop Fix | How I Unbricked It.

  1. First, remove all the screws holding the plastic covering.
  2. There are 11 screws in total.
  3. See step by step video below

LG G4 Bootloop Fix

Step 1: Use Soft Plastic Tool

Next, use a soft plastic tool to pry open the G4.

These tools allow you to open without scratching or damaging the device's edges

Step 2: Remove All Connectors

Next, disconnect all connectors.

There are 3:

  1. USB Port
  2. Rear Camera
  3. Front Camera

Step 3: Remove the Board

Remove the entire circuit board from the plastic casing.

This is quite easy after you have disconnected all the connectors.

Just use the same plastic tool to first lift an edge.

Then remove the heat shield.

Step 4: Apply Heat to the Chipset

Finally, use a blow dryer/hair dryer to apply heat to the processor for approximately 10 minutes.

After this, put your G4 back together and test.

If after trying this your G4 still remains bricked, not to worry, just repeat the process. It took me a few trials.

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Nematic%21 made it!(author)2016-11-16

heating a chip to solve bootloop ? :/
You can simply fix it from fast boot or recovery

RecarroJames made it!(author)2016-11-16

Trust me, we tried all that and it didn't work. Was astonished to find out heating with a blow dryer aided in it operating once again.

YuriB14 made it!(author)2017-04-18

Is the solution temporary of permanent, did it have the same issue again?

MehdiR13 made it!(author)2017-01-13

hony when it got bootloop you cant have fast boot or recovery by the way most lg va the bootloader is locked so you cant ane recovery and its true with heating chip is again performs well/

ledmod made it!(author)2016-11-16

Hi, if I remember correctly, many LG g4 had this problem due to some bad soldering contact, so it's a hardware fault :s

rafununu made it!(author)2016-11-17

I'm not convinced. To be honnest I don't see why "resoldering" the chip could fix any software or firmware problem. An hair dryer doesn't produce enough heat to melt the solder, a heat gun is needed but if you use a heat gun for 10 minutes you'll lost all your components !

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