How to Repair Sony Xperia Z1 C6903 Dead Boot

As the flagship variant of Sony Mobile, Xperia series smartphones termsuk successful in the world market. Homeland in the smartphone market, sales also included nice. Thus, as a technician, we must be prepared to face this Xperia type damage.

On this occasion, VTIGA HP and Laptop Technician Course will discuss how improvements Sony Xperia Z1 dead C6903 total.

Repairof dead phones total required precise and accurate analysis. If we only try to guess the location of the damage, the results are often unsatisfactory. How do proper analysis? Must necessarily follow a standard repair procedure. And always begins by checking the current usage of the mobile phone. The process of checking the flow, enough to power supply 1 A

By connecting the output of the Power Supply connector to the mobile phone battery, and set the output voltage of a power supply of 3.7 volts, we can see the large current into the cell phone from his Ampere meter. In the picture that was shown by the meter at the bottom of the Power Supply. Of the current consumption is read, we can determine the location of damage.

Back to the case of the Sony Xperia Z1 C6903 brought the student, slightly above the current consumption of 100 mA. From here we can know that, IC power is already working. To determine whether the CPU it can work or not, the phone trying recharged using Flash software tool. If the CPU can not be detected at all. The process is continued by analyzing its hardware parts. Among the most important is the working voltage required by the main chips such as CPU, eMMC etc.

However, if the CPU phones are still detected, corrective measures followed by filling the firmware into the phone. Expected after the process is complete, the phone back on. However, not all cases of damage as simple as that, there are also many, after the charging process is complete, the phone still will not turn on. Such cases are often termed mobile experience 'bricked'.

If the device is Sony already experiencing bricked, certainly can no longer flashing using Flashtool that we use, again, and usually the device is bricked could be due to a failure in the system, or in the process of flashing or updating software dropped out of the street so that a brick or a successful update but part of the boot is not updated, At this time the case is the Xperia Z1 C6903, approximately characteristics are experiencing brick devices, among others:

1. Should be in flashing using normal tools, but if in turn it is still no response

2. No tand apada lcd / led after the turn on the power

3. There is no sign on lcd / led while in charger

4. No sign terdeteksisaat connected to pc

5. Pc can not detect the Flash mode while holding vol -

6. The device does not vibrate sat holding the power button and vol +

Materials are prepared:

1. Unduh Sony Flashmode Usb last driver installed

2. Unduh S1 tool

3. Unduh Firmware section APPSW to c6903

4. Unduh Flashtooldan full firmware for C6903

Remedial measures:

1. Because it uses usb been undetectable way then we should use the Test Point in order to go into emergency mode, it is necessary disassembly C6903 Sony Z1 her, roughly picture like this

At the point marked arrows, connect to GND using a paper clip or pin set, tricks go into emergency mode first pull and combine batrenya point to GND then attach the battery and turn on the power, then the device is ready to go into emergency mode

2. Run the tool S1

In the emergency phone type select mode

3. Then click the button flash

Navigate to the folder firmware for C6903 that we downloaded

4. Once it is still on the S1 Tool click on the button "test point ready" and make sure the device manager has been detected "SEMC FLASH" during a test point earlier

5. After that wait until the process is complete, after it to make sure, turn the device off and hold vol - and connect it to the PC, when it is detected automatically, then it's a success. Furthermore, we stayed flashing using Flashtool or using Sony PC companion

After flashed using Flashtool, the Sony Xperia Z1 back to normal.