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Showing posts from September, 2017

The best way to repair iPhone 6 Water Inlet Leakage Triggering Large Current Repair

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Fault Phenomenon The client said his iphone was running out of water after the phone started to sound hoarse, really hot. I knew I had to take the battery out of there. I quickly review the instructions and be able to disconnect the battery. The appalling noise ceased immediately. After removing the battery, I went to the store to drink and wash my hands. About 24 hours later we tried to give the phone a power supply that didn't work. there is electrical leakage when connecting it to electricity, which triggers large current. Repair Process The iPhone 6 motherboard  waterproof stickers changes into red, indicating that the motherboard got into the water, the power supply  shows leakage 31mA when electricity is connected. As shown in picture 4-4-1. Short start signal boot, current jumps into 223mA as shown in picture 4-4-2. This kind of fault is usually caused by chip damage after water inlet, measuring each power supply is normal value, measuring the data cable ...

iPhone 6 Touch Doesn’t Work Properly repair guide

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The widespread use of mobile phones, the breakdown will be more and more, as follows to share some of the iphone phone failure repair experience. iPhone 6 touch is properly ineffective, when touch is not working, screen  can display normally; the touch gets complete failure when there are some not obvious lines on screen. The device got water damage and screen was replaced, It's still not repaired well though repaired by another repairman. Tear down the iPhone 6 to check out, we find both black and white touch were replaced, some capacitance under audio IC  get slight corrosion.  First measure the positive and negative 5.7V power supply to the ground value, +5.7V positive measurement is 400+, - 5.7V negative measurement is 600+, both are normal as shown in picture 3-7-1. We did not find obvious problems after ground value measurement, in accordance with the exclusion method, we firstly replace black touch, test failure is same, then replace the white touch, test fa...

The best way to repair iPhone SE doesn't display

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If your device has a frozen screen or doesn't respond when you touch it,Follows We received an iPhone SE today, customer mentioned it does not display after falling, but phone call can still be received from it, as shown in picture 3-5-1 The first step is to disassemble and test the device, immediate reaction we take is that screen diplay  problem should be excluded. Next step is starting to test the motherboard , when measuring the resistance of display pin J4200 by multimeter , we find the third pin is short-circuit, it diplays 5.7V as shown in picture 3-5-2 Test the circuit board to eliminate all the trouble, and eventually remove C4004 to get iPhone SE work, as shown in picture 3-5-3 The same fault we've already met on many devices, all of them are caused by C4004 , which can be defined as SE commom problem, as shown in picture 3-5-4

How to Resolve iPhone4 Audio IC Fault

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Following are all the possible iphone 4 audio that your phone may encounter:iphone 4 Buzzer problem,iphone 4 Audio Jack problem,iphone 4 MIC Problem,iphone 4 speaker problem. No matter what type cell phones are or what faults they have, if you want to fix them efficiently, it's very necessary to know the basic circuit board construction, and what features for their normal working state! This article will tell you how to judge and fix iPhone4 audio IC fault, first you should know what are them: • u62--audio transfer IC • u70--headphones control • u62 / u70--mutual switch among several modes(normal mode, hands-free mode, headphones mode) • U70--audio signal processing • u5--ringtone amplification According to the function of these ICs, we can make preliminary judgement: 1. If both the ringtone and calling voice you can't hear, check u60 2. If the ringtone is normal, but the voice when calling is abnormal or there is no voice at all, check the parts U62 U70 For in...

Maintenance tools needed for iphone phones

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In today's society, mobile phones are our necessities, the use rate is very high, so there will be a lot of mobile phone failures need to be repaired.all kinds of iphone repair tool can be found in vipprogrammer.  No matter for professionals or DIY type of repairmen, some common cell phone repairl tools are necessary in the operating process, otherwise, you cannot be available to do a good job. Good quality for those tools are also very essential, cell phone repair business is a long-lasting and repeated process, so you' d better purchase some durable tools instead of cheap but rubbish ones. What tools are necessary to fix cell phones? Let's start from basic toolkit: Disassembly Toolkit Screw drivers: they are the most common and universal tools for fixing cell phones. there are many types included. The most common ones used are a Phillips screw driver whose head is of plus (+) shape. The pentalobe screw drive is also needed to dismantle iPhones. The other most c...

Best way to fix iPhone 6 Plus reboot repeatedly and unknown error 9

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If you want find a better &new supplier for repair iphone in china,you can visit official website:vipprogrammer.com. In the field of iPhone repairing, if the iPhone 6 Plus reboot repeatedly, this time you should consider fixing the unknown error 9. Use iTunes to root it, it shows unknown error 9, most of this is caused by the CPU and NAND flash . What exactly is it? We need to test it to determine the real problem. Test the R3017 and R3016, (they are positioned in the point bitmap  as follows 3-2-1 and 3-2-2) Normally both of them should be 480. If one or two of them shows 700, then the CPU must broke. After testing, we can found that the AR31 of CPU was disconnected. 3-2-1 3-2-2 Remove the CPU, and them we found that the motherboard  leaking copper. Please don't worry, we can handle it. Use solder iron and solder flux to solder it. Clean the remaining glue on the solder pad. Pre-heat the motherboard with hot air gun  , and then remove the glue with sol...

iPhone Black Screen Repair Guide

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When your iPhone screen can' t work, maybe you need consider the reason of iPhone’s LCD display and the logic board.The logic board is the brains behind the operation of your iPhone, and every part of your iPhone connects to it. The display shows you the images you see, but the logic board tells it what to display. So the display of your iPhone is complicated than you might think! Now vipfix will introduce these to you. Let' s see together. ⇒The LCD screen. It displays the images on your iPhone. ⇒The digitizer. It is the touch part of the display. It digitizes your finger, which means it turns the finger touch into a digital language that your iPhone can understand. ⇒The front-facing camera. ⇒The Home button . If your iPhone screen is black, it has two situations. One is the cable of LCD has dislodged from the logic board. Another situation is the LCD itself is damaged. How To Fix A Black iPhone Screen? If the LCD cable has dislodged, maybe the Apple Store c...

Repair guide iPhone 6 After the crash restart display white Apple it reports an unknown error(4005)

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When your iphone has any problems to solve, remember to look for Vipprogrammer.,All kinds of iphone repair tool can be found in vipprogrammer. The dropped iPhone 6 reboots itself after displaying white Apple logo and it reports unknown error (4005) when rooting. Repair Process Customer sent a single motherboard . The solder pad has been soldered and there are jumped wires at logic NAND FLASH IC , as shown in picture 7-48. Picture 7-48 Assemble board on testing assembly to root. Turn in on and connect it to computer. The i4 assistance says that iPhone is getting into DFU mode. After it is rooted, it reboots. Then it standbys until it reports unknown error (4005). Based on my experience, faulty NAND FLASH, CPU upper board and disconnected motherboard would cause such problems. Then I begin to fix them. First measure the diode data to ground of chip. The data is normal. After tearing the NAND FLASH, measure the diode data to ground that NAND FLASH use it to communicate w...

iphone 6s Plus boot display white Apple restart Brush Machine report unknown error (4013)

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It suddenly turns off when in use. After turning it on, it reboots itself after displaying white Apple logo. Use iTunes to root and it reports unknown error (4013). USB control chip  has been changed. Other parts are not fixed and it has not been dropped and gotten into water. Repair Process After receiving it, turn it on to test. Screen shows recovery mode (also called data cable mode). Use iTunes to root and ascertain the problems. When the white Apple and grey progress bar show, the grey progress bar stops here, as shown in picture 7-44. If iPhones 6S and its later series have such problem, the NAND Flash , CPU or baseband are damaged. Use i4 assistance’ specialized function to root it and find the faulty place. When white Apple shows, the device UDID that i4 assistance reads are 0, as shown in picture 7-45. UDID exists in NAND Flash, so NAND Flash is faulty. And, the white Apple shows very quickly when rooting (the time from that i4 loads IBEC to that it gets into rec...

Repair guide MIJING ACT PRO iPhone Chip Repair Tool

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How to save both of your time and effort with iPhone Baseband Eeprom IC repair? The latest MIJING ACT PRO iPhone chip repair tool is an efficient equipment that available for reading and writing datas on iPhone 4S/5G/5C/5S/6G/6S/6SP/SE/7G/7P models, repairing flash error 1.3.6.16.47.48.1669 and 3G/4G signal faults on 4S/5G/5S/5S models. Also, it can reset and repair PC BIOS. Here we will introduce its function and how to use it ! Operation Guide • Software Download 1. Contact seller or log in MIJING official website "www.fsmijing.com" 2. find "download" - "下载中心" click into the page 3. find "Mi Jing Cloud Software"- 米景云平台“ to download and install 4. Run the software and find " drivers" - "驱动安装“ in the menu 5. Choose " CH341(码片)”drivers to install and reset your computer • Chip Data writing and Reading Operation 1. Remove the motherboard baseband CPU you need to repair 2. Choose the " mainboard fixed c...