Released September 25, 2015. Model A1688/A1633. Repair of this device is similar to previous generations, requiring screwdrivers and prying tools. Available as GSM or CDMA / 16, 64, or 128 GB / Silver, Gold, Space Gray, or Rose Gold options.

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How do I fix iPhone 6S broken LCD?

I drop my phone in the water, after went to the service, they cleaned the main board and my phone can still work, but now, for the second time, the LCD went blur until the screen goes blank. Should I replaced the LCD, or is it an internal problem because of the water damages?

I will really really appreciate your help, thank you.

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raechalista totally agree with @refectio on that. My concern would be how it got cleaned. Take a look at the board and see if the EMI shields were removed. If they have not, then you know that 80% of the board did not get properly cleaned and inspected.

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Thank you so much @reflectio I only had this phone for two months now. If I may ask for your opinion, do you think its best for me to repair it or just sold it?

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There are two issues here. To me, the most important one is the past water damage. You say that someone cleaned it but do you know what they did to clean it? A proper decontamination requires that the shields be removed from the logic board, that it be cleaned in a lab-grade ultrasonic cleaner with special chemicals. Some people just take IPA and a toothbrush and call it a day; these phones tend to suffer from latent issues downstream as the oxidation continues underneath the IC's over the following weeks and months.

However, even with the best process, most iPhones still require some micro-soldering to replace defective or heavily oxidized components. Sadly, many phones simply cannot be recovered economically.

All this to say that your current problem could simply be a defective screen but given the history of the phone, it may be a logic board issue. The only way to know is to replace the screen to see if it solves your problem. IMO, I don't think its worth wasting more money on a previously water damaged phone.

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Sorry, I just noticed your comment. If you comment on your own question, I don't get notified so it's always better to comment on the specific answer.

The iPhone 6S is a high value device so it make sense to have it properly evaluated for repair. You don't have much to lose and everything to gain. As I said, it could be just a screen and even if it is logic board related, some repairs are not that expensive in relation to the value of your device. I would look for repair shops that specialize in water damage and micro-soldering repairs. You can check out my profile or search this forum as there are several micro-solderers that are active. A Google search may also help you find someone local to you.

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