Your Guide to Local iPhone Repair Services

The iPhone 6 won't boot anymore after dropped into water, what to do? Just drop it and buy the new on? Not good idea. We can repair it. There are many cases that iPhone won't turn on after got damaged from liquid. We need to test it, and then find the best solution for it. Dissemble iPhone 6 by phone opening tools, connect iPhone motherboard to DC power supply , and then press iPhone power button, the current stuck on 750MA. Measure the each circuit output for iPhone power IC with UNI-T UT81C Scope Digital Multimeters , we don't see any short circuits. Actually, for this problem, the best way is rosin method. Apply some rosin on iPhone motherboard, and then use PPD 861D Plus   hot air rework station to smoke the iPhone motherboard until it turns white. Supply power and boot it, after a while, do the same thing for several times. Then you will find the short circuit component is hot and discolored. Open WUXINJI  software to check iPhone schematic diagr...

Apple iPhone audio part mainly has audio decoding, U0900, ringtone (speaker), amplifier. Check iPhone schematic diagram on WUXINJI Dongle , we can see that this iPhone audio IC has 4 circuits, one is VCC_MAIN, which is 3.7V, the other three are 1.8V. After check iPhone power supply part, then we check the iPhone schematic diagram of iPhone audio channel section to check the direction of the audio signal. First look at the normal call mode. Two microphone signals LOWERMIC1_TO_CODEC_N_CONN, LOWERMIC1_TO_CODEC_P_CONN through iPhone tail plug flex cable   and 17/18 pin of tail plug interface J1817, after the inductance FL1881, FL1882, finally through the capacitor C0922, C0923 send to audio IC-- U0900.  The 1.8V power supply signal PP_CODEC_TO_MIC1_BIAS that was sent from audio IC U0900, through FL1 and 21 Pin of interface J1817, after through tail plug circuit, the final supply to the microphone. This is the process of microphone signal. The earpiece signal that...

If the iPhone 7 or iPhone 7 Plus fingerprint and home button not working, you can get repair guide here!   Open the WUXINJI Dongle  to check iPhone 7/7P schematic diagram. 1. iPhone 7/7P fingerprint repair guide The fingerprint power supply schematic diagram is as follows: The iPhone power IC output PP3V0_MESA(3.0V) PP1V8_MESA(1.8V) respectively through inductance FL3803 and FL3801, next send it to interface J3801; the iPhone power supply IC-- U3702 output PP16V0_MESA(16.0V), after inductance FL3802 delivers to the interface J3801. If these three circuits power supply is abnormal, it will cause iPhone fingerprint failure. In order to fix it, you can check the short connection FL3803, FL3801 and FL3802, use Precision Titanium Tweezers   to replace the U3702. 2. iPhone 7/7P home button repair guide The home button power supply schematic diagram is as follows: The power supply pipe U3801 output PP2V75_MAMBA(275V) to J3801, iPhone power IC ...

The iPhone 6 was warned that its temperature is too high, which is dangerous. There are many cases of iPhone explosions, so we have to fix it by phone repair tools . The failure detail is that some water accidentally got into iPhone 6, and then the iPhone 6 won't turn on. After cleaning up the iPhone 6, it can be turned on, but it shows "temperature is too high". Carefully disassemble the iPhone by phone opening tools, connect iPhone motherboard to DC power supply  to test, the current tested is normal, and the iPhone doesn't get hot. Based on our repair experience, if the iPhone current is normal, but the iPhone still warns that the temperature is too high, mostly it was caused by the damage to the temperature-detecting component. In this case, you can fix it by replacing C1365, C1356 R1368 and C1322 R1390.  Open WUXINJI Dongle  to check iPhone 6 bitmap, you can easily find their location. If the iPhone is large current after test, so firstly we need to rule...

The iPhone 6 won't boot , after use iTunes to flash it, it reports unknown error 53, what's going on？ Trouble details is that the iPhone 6 fingerprint function is unavailable, then we repair it, after that, the iPhone reports error 53 and won't turn on. We can solve it ！ Disassemble the iPhone 6 device and use DC power supply  to test, when power on the iPhone 6  (click the power button moment), the current value reaches 200-250MA. The current value of normal iPhone should be around 50-60 Ma. It is obvious that there is a leakage of electricity. Leakage and fingerprint failure, it can be preliminarly judged that the iPhone 6 fingerprint part  has electric leakage phenomenon, resulting in fingerprint failure. And for repair the error 53. First, measure the 2 power supply of fingerprint. 3.0V voltage is measured low. The value is very close to short circuit! So it can be judged the problem is 3.0V short-circuit, which caused by low power 3.0V on...

The iPhone 6S fingerprint function is abnormal,  it can't add new fingerprint or fingerprint no response.  The iPhone home button failure or iPhone circuit line failure all will cause this issue.  Check circuit diagram of iPhone 6S fingerprint line interface on WUXINJI Dongle , the difference with iPhone 6 is that the iPhone 6S has more circuit. The left of the fingerprint line interface circuit map is control signal of fingerprint; the right part is new function--Force Touch, also called pressure feeling control. According the iPhone schematic diagram, we know that the power supply of fingerprint has 3 circuits, one is 1.8V, one is 3.0V and another one is 16.5V. If the 1.8V and 3.0V is abnormal, it cause fingerprint failed to turn on, these two voltages can be reached to fingerprint interface when you press the iPhone power button. The voltage of 3.0V and 1.8V is supplied from iPhone power IC . If the circuit of 16.5V is abnormal, it will cause the iPho...

Many iPhone users complained that their iPhone 6S Plus  has some charge problems.  Now, here has some solutions for it.  Firstly, we need to check the  iPhone 6S Plus specific charge breakdown. Supply power to faulty iPhone, it appears in the following 3 cases， one is  the  iPhone battery  power percentage is getting less during the charging, one is  power down status can be charged successfully but cannot charge after boot, the another one is unable to recognize USB.   After disassemble the iPhone by phone opening tools, remove the iPhone motherboard, use Fluke 15B+ Digital Multimeter   to measure the 5.0V voltage (PP5V0_USB) next to the charging IC, and then measure the 5.0V voltage (PP5V0_USB) next to the USB control IC to check is it working properly. If both these 5.0V is working properly, then you just need replace the iPhone charging IC  and USB control IC. If 5.0V(PP5V0_USB) next to charging IC exis...

Actually, the iPhone 6S leakage and won't turn on problem is no stranger to us. Here , we have some troubleshooting tips for these issues.  After check iPhone schematic diagram on WUXINJI Dongle , we know that t he iPhone 6S battery  voltage passes the charge IC and then output the main power supply VCC_MAIN. First, we introduce two common scenarios.  One is  BATT_VCC (battery voltage) or VCC_MAIN (main power supply) these two circuit lines short circuit causes iPhone leakage when provide power on it. The other one is damaged USB control IC causes iPhone standby current is about 100mA. If provide power on iPhone but is shows leakage or large current, then we need to use Fluke 15B+  DigitalMultimeter   to measure the diode data of BATT_VCC and VCC_MAIN! If there is a short circuit, we can apply some rosin on the iPhone motherboard component, use hot air gun  to smoke it, and supply voltage on short circuit line, the voltage starting fro...

Today, we are going to repair iPhone 6S WIFI issue. The tricky thing about repairing iPhone 6S WIFI is that you have to use PCIE nand test fixture  to re-write the WIFI address after the replacement of iPhone 6S WIFI module. Some iPhone WIFI still can be used, but there is a very serious leakage and heat phenomenon, this case can be fixed. The repair case as follows After the iPhone 6S boot for a while, it’s overheating, and then the iPhone suggests the temperature is too high. Disassemble the iPhone by phone opening tools, remove the iPhone motherboard, and then connect it to DC power supply  to test, after booting for a while （ about 10 seconds still not enter the IOS ） , it shows large current and power down. According to the above phenomenon, we suspect that it may be a problem of WIFI （ because the current is normal when you start the boot ） . The boot process of iPhone: press the iPhone power button-- power IC supply power to iPhone CPU/ iPhon...

Today, we are going to talk about iPhone 7 7 Plus no signal issues. Actually, if your iPhone 7/7P shows no signal, then you can't make the phone calls or sent messages. Unless your iPhone 7/7P is in WiFi coverage, otherwise the iPhone won't be able to contact with others. Here are three types of no signal issues and related solutions. 1. iPhone 7/7P has no signal at all, infinite search Get into IOS, go to Settings>- General>- About to check whether there is the IMEI. If the IMEI is not displayed on this iPhone, then you need connect iPhone to DC power supply  to check iPhone boot current, and then determine if it has a large current issue. If there is a phenomenon of leakage, then you can fix it with leakage methods; if the current is normal, then you can directly replace the baseband power without test, and then re-install the iPhone baseband CPU. If IMEI is displayed on the iPhone normally, then set up the time （ WiFi Automatic settings available ）...

Here we provide free methods to fix iPhone 7 speaker silent issue. What does iPhone 7 speaker silence mean? It means the iPhone speaker not working, it can't deliver sound. We need to fix it. 1. Make sure the iPhone is not set to mute Check the iPhone Ring/Silent Switch first, because this switch toggles between mute (silent) and ringing mode. If your switch flips to silent, your iPhone won't ring. Observe the ring/silent switch on the left side of the iPhone, if you see a little Orange line, you will know that your iPhone is in mute condition. At this time, please pull the switch towards the iPhone display screen . 2. Make sure the iPhone is not in headphone mode One of the reasons for the speaker failure is that your device is in headphones mode and you are not aware. You can press the iPhone volume buttons and see if the notification says Headphones. If yes, your device is in the headphones mode. And then check the lightning port; use a toothbrush or small cotto...