Iphone 6s Plus Water Damaged cannot charged

If unfortunately your cell phone gets soaked or drenched in water, tea or coffee, or iPhone 6S Plus water damaged USB charging error and you are eager to acquire some first-aid measures to save your phone from being damaged, this article
May offer you a big surprise, it will assist you in success of bringing your dead phone back to work！
 step 1
first use a tester battery to offer power to motherboard  and test, when USB current voltage meter shows that charging current jumps from 0.08~0mA, This means that this phenomenon that there is no current when charging.
Step 2
We test the charging chip U2300, The charging chip cannot output charging voltage normally, which causes the above problem. The frequent faulty points are USB chip damage or abnormal working condition of charging chip, Considering the inflow water in it, The charging management chip U2300 in bitmap is shown in picture:

Step 3
The most frequently damaged parts in iPhone 6 and iPhone 6 Plus are voltage bootstrap capacitor C1402 and inductor L1401, The charging chip of iPhone 6S and iPhone 6S Plus is the same as iPhone 6, Based on the repairing experience of iPhone 6 and 6 Plus, we observe the surrounding circuits of U2300 under microscope  and find that voltage bootstrap capacitor C2300 darken seriously.
Step 4
Therefore, we replace the capacitor and turn on to charge, Trouble is removed. In most of the cases, if iPhone 6S charging current is small or does not exist, we will replace USB Control IC and charging IC, If the problem is still the same, then we should check the charging voltage boost inductor and charging bootstrap capacitor.

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