1 – You Need MRT-Dongle

2 -You Need EDL 9008 Engineering Flash Cable

MRT Short Introduction

The MRT-Dongle is a Mobile Software Repair Tool for Android Mobile Phone The Best Tool For Chinese Mobile Account Remove and FRP unlock tool It Support Meizu Mobile Phone Unlock Account, FRP, Password Reset, IMEI Repair, Flashing, Screen Lock Remove Without Data Loss.

Now Follow This Option and Complete Your Job.

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Friends Today We Will Learn and Understand. How To Remove FRP For Huawei Honor 8x.

1-We Need OCTOPLUS FRP DONGLE.

2- We Need FRP Reset Uart Cable.

Now Follow This Option and Complete Your Job.

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What is an abbreviation?

An abbreviation is a shortened form of a written word or phrase. Abbreviations may be used to save space and time, to avoid repetition of long words and phrases, or simply to conform to conventional usage

PBL   –   Primary Boot Loader

SBL   –   Secondary Boot Loader

DBL – Device Boot Loader (loads OSBL)

OSBL – Operating System Boot Loader (loads AMSS)

AMSS – Advanced Mobile Subscriber Software

ABOOT   –   Android Bootloader

TZ   –   Trust Zone

APPSBL – Applications Processor Secondary Boot Loader

SSD – Secure Software Download

QFIT – Qualcomm Factory Image Tools

PIT – Partition Information Table

GPT – GUID Partition Table

MSM – Mobile Station Modem

MTP – Modem Test Platform

PMIC – Power Management Integrated Circuit

RAM – Random Access Memory

SBC – Single Board Computer

HLOS – High-Level Operating System

eMMC–Embedded Multimedia Card

DTS – Digital Test Sequence

APQ – Application Processor Qualcomm

ARM – Advanced RISC Machines

EhostDL – Emergency Host Download

HDLC – High-level Data Link Control

OSBL – Operating System Boot Loader

RIL – Radio Interface Layer

MODEMST – Modem Storage (NV data)

RPM – Resource/Power Management

SDI – Trust Zone Storage Partition

Modem – The Phone’s Radio FIRMWARE(CP Binary)

EFS – EX14, Mounts at /EFS, Has Device info like IMEI and MEID

USERDATA – Application & User Data is Saved

SYSTEM – Android Platform

BOOT – KernelRamdisk

PMIC – Power Management Integrated Circuit

MMU – Memory Management Unit

CDP – Code Development Platform

QDL – Qualcomm Download

QHSUSB_DLOAD – Qualcomm High-Speed USB Download

DMSS Dual – Dual Mode Subscriber Station

FOTA – Firmware over the Air. Fota is An Unofficial Mode For Loading Android

RIL – Radio Interface Layer

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The Mobile Phone is the Most Usable Electronics Device. It may be Damaged/Dead For Many Reasons.

1-Drop into Floor 2-Water Damage 3-Dead After Update

4-Wrong Flashing 5-Suddenly Dead 6-Over Charging

Now You Know Basic Idea Why Mobile Phone Are Mostly Dead.

Basic And Primary Solution.The Safest Method.

1-First Check Battery Is Charged or Not.

2-Change The Battery, Battery Must Full Charged and Must Be Original Company.

3-Than Clean Battery Terminal and Mobile Phone Battery Connector and Try Again To Power on The Mobile If Not.

4-Than Check CareFully PowerButton is Properly Working and Geeting Press. If Yes and your Problem Still Then Apply Expert Major Solution.

Major Solution Has 2 Type Solution

1-Hardware Solution 2-Software Solution

Hardware Basic and Standard Solution

If You Think Your Mobile Phone has a Hardware Problem Then open your Mobile Phone first check Battery Connector Soldering. Next check Motherboard Short Circuit if Mother has Short Then Check Network IC and all Main Voltage Capacitor and CPU.

What if Mobile Phone Water Damage?

If your Mobile Phone is Water Damage Then First Very Carefully Open Your Mobile Phone Fully Clean MotherBoard-PCB With Petrol and Hit With Stan Light. If Problem Still There Then Rehot or Re-Solder with HotGun With Little Heat.

What if Mobile Phone is Drop Down?

Trust Me Mostly When Every Mobile Phone is Drop Down.

1-Battery Connecter is Disconnected From Motherboard-PCB Simply Connect Back the Battery.

2-LCD/Touch Connector is Disconnected From Motherboard-PCB Simply Connect Back the Connecter.

3-CareFully Check Power Button and Its Strip is Fine & Working. if Not Simply Repair or change the Complete Strip of Power Button.

4-Finally Re-hot or Re-solder CPU and Flash IC and Power IC.

What if Mobile Phone is Software is Dead?

When Ever Mobile is Dead Because of Software Their are Many Reasons and Possibility.

1-Flashing The Mobile Phone With Incompatible Firmware or Flash File.

2-EMMC is Corrupted During Updatind or Rooting.

Mobile Phone is Software Solution

1-Always Download/Flash Your Mobile Phone With Original Dump Factory File From Trusted Website

2-Use Jtag Flashing Box or Dongle For EMMC Reprogramming and Flashing.

3-Always Make Backup Before Starting Any Flashing/Updating Process.

4-Try To Get Complete Information of CPU Model and EMMC Health.

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Short Killer Device is Basically Design and is Made For to Find Short Circuit in Motherboard Called PCB. It Can Help Mobile phone technician Quickly, Accurately Find and Judge the Current and Voltage Interruption of Motherboard.

1-Mobile Phone Motherboard 2-Computer Motherboard 3-Laptop Motherboard.

Short Killer Device is invited By Fonekong-China. Most Popular and Advance Repairing Institue For Apple Devices From Basic To Advance Level Chip Level Repairing and Programing.

Now You Have Basic Knowledge about Short Killer Device

Let’s Start Learn how To Use Short Killer Device and How It Works?

We Need To Understand From the Front panel of the Short Killer Device. There are Two Led light in Front of Short Killer Device Green, Red Colour and Two Black Colour Button To Adjust Voltage for up and Down. We Have Also Two Probes of Wires known as Positive and Negative. To Use on Mobile Phone Motherboard known as PCB to Find Shortage.

Red Colour Led Guide Us About the Voltage and the Green Tell us the Short of PCB

1 – If The Digit is 0 and Green Colour. It Means There is No Short Circuit in PCB or Motherboard.

2-If the Digit is 1 and Short Killer Device is Making Noise It Means There is Short Circuit in PCB or Motherboard.

You Can Set The Voltage From 0.5 – 5.4.

There Are Three More Method To Find Short Circuit In PCB

1-Multimeter 2-DC PowerSupply 3-Thermal Camera Microscope

How To Start Finding Short Circuit in Motherboard

You Need Rosin Flux Paste and Need To Apply on the Motherboard Than Use the Black Prob As a Ground on Motherboard and Red Wire For on The battery Connecter, the Short Circuit Will Start Heating and Will Burn. You Can Easily Find it and replace the Short Part and Your Motherboard Short Circuit Will Be Cleared.

If you are not a professional motherboard repairer, be careful when you Start. You need to do your research and learn this Device. This product belongs to the auxiliary tool and is intended for professional technician use only.

BeCarfull: The machine must not be connected to the motherboard for more than 2 minutes, because the failure of the motherboard of the mobile phone can not exceed 2 minutes. The heat will be generated during use. If the failure exceeds 2 minutes, the heat will exceed the range of the motherboard and the machine. Please note when using.

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JTAG Means Joint Test Action Group (JTAG) is an industry-standard devised for testing printed circuit boards (PCBs) using boundary Lines and was designed to quickly and easily test and Repair Direct PCBs Memory Chips and Ram.

in Other Easy Words JTAG Box Directly Communicate with the CPU and with the help of CPU’s JTAG Protocol you can access CPU’s peripherals and memory/NAND/eMMC one of this IC & Memory.

According to my Knowledge and Experience JTAG Box is used for repair dead and Brick Android devices that don’t respond to anything and aren’t seen when USB connected. It seems that it’s something done from the physical hardware side of the device to Run or Active the Software.

Main point that has to be understood: JTAG interface only gives the ability to communicate with hardware in just a few simple ways:

1. Reading/Writing Memory 2. Executing MCU code.

Having a JTAG device in hands absolutely does not mean it is easy now to repair a dead Mobile Phone Motherboard. In most cases the board has complex hardware, NAND memories and RAMmemories which are all connected to the main core chipset which, in its turn, is quite intricate. To get access to these memories, sometimes quite a difficult hardware initialization sequences to be performed.

Every new board often requires different kinds of hardware initialization. For example, if a known Qualcomm chipset is used in the current board, it does not mean at all that settings from some previous board with the same chipset onboard will be compatible.

How To Find JTAG Pins?

Now you Need To use a special hardware JTAG box which comes with a vast array of cables (different cables for different types of devices), plus specialized software specifically made for your Mobile Phone model. (There exist generic catch-all JTAG boxes that can be loaded with specific microcode instructions for your particular manufactured board. The tricky part is getting the exact microcode for your device’s circuit board. If you use the wrong microcode, it can cause permanent damage.)

JTAG interface uses 4 main signals: TCK, TDI, TDO and TMS. Additionally, there are often present the TRST signal, the RTCKsignal, the NRST signal.

What Is Mean By Microcode?

The microcode instructions are emitted by the JTAG box attached to the cable, clipped in position on top of the JTAG pins. The box sends a signal to your device to CPU, Memory or Ram. After That You Can Instal/, Copy or Update Your firmware image to your Android Mobile Phone device.

What Type of Cable is Used For Pin Connection?

There Are Main 4 Main Connection. which pins are used for ground (GND), transmit (Tx), receive (RX) and power (PWR). The power is the important one: if the battery is dead, power can still be fed into your Android Mobile Phone device. The JTAG pins are usually 6,8 or More gold pins clustered close to each other.

1. To find out how the firmware itself performs the initialization of the hardware it runs inside (since if board is dead, there now is no firmware which does these steps, and it is only you now responsible writing proper values at the proper memory locations;
2. To find out how the chipset accesses external memory (the NAND; NOR memory is not mentioned, since it does not require any complicated movements);
3. To write code which will be able to communicate with chipset and to send to it data which is to be written to the flash memory.
4. And of course, to find out what is to be written and to which flash memory locations for the board to be repaired.

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The Devices Used to do Software in Mobile Phone is Called Flashing Devices.

There Are Two Type of Flashing Devices

1-BOX 2-Dongle

To Repair Mobile Software Flashing Device is Used . Every Flashing Device Has His own Tool and Software. We can Use This Tool With Computer or Laptop.

This is Not Made by Any Mobile Company.

Different Manufacturer are Making this Device To Earn Money.

For Samsung Mobile Phone Recommended Boxes and Dongles are

1- Z3x Box 2- Octoplus Box 3- Chimera Key 4- MEDUSA PRO 5- HUA Box  

For Chinese Brand Mobile Phone Recommended Boxes and Dongles are

1-Miracle Box 2-Miracle Thunder Key 3-Infinity Dongle 4-UMT Pro Box

5-Volcano Box 6-GC Pro Dongle 7-EFT Dongle

Mobile Brand Support:

Xiaomi -Huawei-Vivo-OPPO-Lenovo-Honor-Qmobile-LG-Nokia.

Microsoft-Meizu-Motorola-Qualcomm CPU-MTK CPU-SPD CPU.

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Any Electronic Circuit Where IC is Used is Made of Two Things

1- Hardware 2- Software

What is Hardware?

A Thing You Can See and Touch is Called Hardware.

What is Software?

A Thing You Can See But Cannot Touch is Called Software

What Are The Basic Requirement For Mobile Phone Flashing?

You Need a Computer, Laptop and Flashing Box, Dongle.

Now To Start Mobile Phone Flashing You Require?

1-Mobile 2-Charged Battery 50%Above 3-Original Data Cable

4-Computer 5-Flashing Device/Box, Dongle 6-Tested Flash File

9-Drivers 10-High Speed Internet 11-Knowledge & Good Idea

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