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General| Display Size | 5.0 inches |
|---|---|
| Display Type | IPS LCD |
| Resolution | 720 x 1280 pixels |
| Processor | MediaTek MT6752 |
| CPU | Octa-core 1.7 GHz Cortex-A53 |
| GPU | Mali-T760MP2 |
| RAM | 2 GB |
| Internal Storage | 16 GB |
| Expandable Storage | microSD, up to 32 GB |
| Rear Camera | 13 MP |
| Front Camera | 5 MP |
| Battery Capacity | 4000 mAh |
| Operating System | Android 4.4.4 (KitKat) |
| SIM | Dual SIM (Micro-SIM, dual stand-by) |
| Network | GSM / HSPA / LTE |
| Weight | 149 g (5.26 oz) |
| Dimensions | 142 x 71.8 x 8.9 mm (5.59 x 2.83 x 0.35 in) |
Analyzes issues related to the phone's LCD screen, including no display and backlight problems.
Troubleshooting steps for when the phone screen remains blank or white after powering on.
Diagnosing and resolving issues where the LCD backlight fails to illuminate.
Addresses problems with the phone's camera module, focusing on rear camera issues.
Specific troubleshooting for the rear camera not taking photos.
Troubleshooting guide for problems with the phone's ringtone and vibration motor.
Steps to diagnose and fix the issue where the vibration motor does not function.
Solutions for when the phone does not produce any sound for incoming calls or notifications.
Troubleshooting guide for issues encountered during the phone's charging process.
Steps to resolve the problem where the device does not indicate charging after connecting the charger.
Addresses situations where the phone shows it's charging but does not reach full capacity.
Troubleshooting for issues related to the phone's physical keys and their backlighting.
Diagnosing and fixing problems with the side buttons on the phone.
Troubleshooting for the capacitive touch screen (CTP) keyboard functionality.
Guide to resolving audio issues during phone calls.
Steps to fix problems where the user cannot hear the person on the other end of the call.
Solutions for when the other party cannot hear the user during a call.
Troubleshooting steps for when the phone fails to power on.
Addresses issues with the proximity sensor affecting the LCD during calls.
General section on radio frequency related issues.
Troubleshooting guide for failures during software or firmware downloads.
Procedures and troubleshooting for production calibration processes.
Specific steps for resolving failures in Automatic Frequency Control (AFC) calibration.
Troubleshooting guide for Automatic Gain Control (AGC) calibration failures.
Steps to diagnose and fix Automatic Power Control (APC) calibration failures.
Troubleshooting common faults identified during complete set testing and rework.
Addresses excessive switch spectrum and PVT template issues in GSM and DCS bands.
Troubleshooting steps for frequency errors exceeding standards in complete set testing.
Diagnosing and resolving phase errors that exceed standards during testing.
Addresses issues with low or no power output when transmitting signals.
Covers forecasting and calibration related to 3G/4G network performance.
Troubleshooting RSSI (Received Signal Strength Indicator) calibration failures.
Steps to resolve issues with Transmit Power Control (TPC) calibration.
Troubleshooting for comprehensive tests related to 3G and 4G network capabilities.
Diagnosing and fixing Adjacent Channel Leakage Ratio (ACLR) or Spectrum Emission Mask (SEM) issues.
Troubleshooting for abnormal In-band Loopback Power Control (ILPC) test results.
Steps to resolve frequency errors, potentially caused by interference or calibration issues.
Instructions for removing the protective cover of the mobile phone's battery.
Guidance on removing all screws securing the phone's internal components.
Steps to carefully detach the rear casing (B shell) of the phone.
Procedure for disconnecting various flexible printed circuits (FPCs) from the mainboard.
Instructions for safely removing the main logic board from the phone's chassis.
Steps for removing the earpiece speaker component from the phone.
Guide to safely removing the Touch Panel (TP) from the display assembly.
Instructions for detaching the motor, camera, and side key FPCs.
Visual reference for the motor, camera, and side key FPC components.
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