If you want to buy a used iPhone, the first step is to check if the seller has “drowned” it in water or other liquid. This is a very important point – when flooding, the guarantee automatically flies; in addition, you run the risk of getting your hands on a very “problem” device. How to carry out such a check without disassembling the iPhone?
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An honest seller, of course, immediately admits that he is selling a “drowned man” – but, as you know, not everyone is honest. However, with proper knowledge, it is very easy to check his words. All you need to do is locate the humidity sensor (LCI) on the device.
LCI, Liquid Contact Indicators – moisture indicator, activated after contact of the “filling” of the iPhone or iPod with liquid. It is usually white or gray, so most of the time users don’t even notice it. But if there is water inside the Apple smartphone or player, it immediately turns red.
Apple came up with LCI for its service centers – since 2006, the receiver does not spend too much time examining a broken gadget, but immediately either politely “wraps up” the client, or offers him a paid repair. But anyone can use its indicators – you just need to know where to look.
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Where is the moisture sensor found on iPhone 12 Pro, iPhone 12, 11 Pro, iPhone 11, iPhone XS, iPhone XR, iPhone X, iPhone 8, iPhone 7, iPhone 6s, iPhone SE, iPhone 6, iPhone 5s, etc.
If you buy an iPod (3rd generation shuffle, Classic, nano, touch) – look at the headphone jack. If there is a red dot inside it, then you have a “drowned man” in front of you.
Unfortunately, iPod nano (7th generation) and iPod touch (5th generation) do not have a visible LCI – here you will have to take the seller’s word or investigate the player in other ways (check if the main functions work correctly).
With the iPhone, everything is a little more complicated – over the course of its history, the Apple smartphone has gone through several design transformations. Together with them, the location of the LCI sensor changed periodically.
- iPhone 12 Pro Max, iPhone 12 Pro, iPhone 12, iPhone 12 mini, iPhone 11 Pro, iPhone 11 Pro Max, iPhone 11, iPhone SE 2, iPhone XS, iPhone XS Max iPhone XR, iPhone X, iPhone 8, iPhone 8 Plus , iPhone 7, iPhone 7 Plus, iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 6, iPhone 6 Plus, iPhone 5s, iPhone 5 – in the SIM card slot;
- iPhone 3G / 3GS, iPhone 4 / 4s – in the headphone jack and in the charging connector (middle);
- iPhone 2G – in the headphone jack.
- iPod nano (7th generation) and iPod touch (5th generation) – do not have an indicator of contact with liquid visible from the outside.
iPhone 12 Pro Max
iPhone 12 Pro
iPhone 12, iPhone 12 mini
iPhone 11 Pro, iPhone 11 Pro Max
iPhone XS, iPhone XS Max, iPhone X
iPhone 8, iPhone 8 Plus, iPhone SE 2
iPhone 7, iPhone 7 Plus
iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus
iPhone 5, iPhone 5c, iPhone 5s, iPhone SE
iPhone 4, iPhone 4s
iPhone 3G, iPhone 3GS
Apple notes that there is a possibility of false positives of the sensor. If you are sure that you have not “stoked” your smartphone or player, and the LCI is “lit” red, you should contact Apple specialists or an authorized service center.