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LG's flagship smartphone, with a unique slide-out battery and detachable I/O module supporting multiple hardware expansion options. Released in April 2016.

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dropped phone in water. Everything works good except no cell service.

After going swimming with my lg g5, I dried everything, opened it up and cleaned all contacts and everything else i could see. put everything back together and the phone works fine except i now don’t have any cellular service. Wifi works fine as well. Sometimes 1 bar service will come on and then dissapear again.

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The proper way treat a wet phone is to do the following:

  • Open your phone and remove the logic board (check out these guides)
  • Inspect the logic board, especially around the connectors and look for corrosion.
  • Inspect both sides of the board. Unfortunately, some of the board is covered in shields. That's usually where the damage is occurring.
  • Put your board in a container with >90% isopropyl alcohol and let it sit for a while.
  • Use a soft brush, like a toothbrush and lightly brush away any corrosion you see.
  • Rinse in alcohol and repeat.
  • Let it air dry for a day.
  • Re-assemble and hope for the best.

You should also replace the battery if it has swollen. Resist the temptation to pop it to let the gas out. A compromised Li-ion battery is a fire hazard.

A professional repair shop that does water damage repair may be able to recover your data because they have access to pro-level ultrasonic baths and specialized cleaners as well as the skills to troubleshoot your board. Many shops have a no data/no fee policy so you don't have to spend money to find out if the data is recoverable or not.

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