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General characteristics Huawei GR3 (Huawei GR3 TAG-L21) declared by the manufacturer. The high-resolution pictures of the motherboard and electronic components.


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Technical review Huawei GR3

Main and additional circuit boards Huawei GR3

Side 1
Huawei GR3
Huawei GR3
Side 2
Huawei GR3
Huawei GR3
Characteristics
Features
Type
Smartphone
OS
Android 5.1 (Lollipop)
SIM type/size
Micro SIM + Nano SIM
SIM
Dual SIM
Dimensions
143.5 x 71 x 7.6 mm (5.65 x 2.80 x 0.30 in)
Weight
135 g (4.76 oz)
Display
Display type
IPS LCD
Size
5.0 inches
Resolution
720 x 1280 pixels, 16:9 ratio
PPI density
294
Protection
---
Multimedia
Main camera
13 MP
Main camera Video
1080p, 30fps
Front (selfie) camera
5 MP
Front (selfie) camera Video
---
Audio
MP3, AAC, WAV, FM radio
Headphone jack
Mini jack 3.5 mm
Network
Technology
GSM/3G/4G LTE
LTE
Bands 1, 3, 38, 39, 40, 41
Interfaces
Wi-Fi 802.11, Bluetooth 4.0
Satellite navigation
GPS with A-GPS, GLONASS
Processor and Memory
System on a chip
MediaTek MT6753T
CPU
Octa-core Cortex-A53 1.5 GHz
GPU
Mali-T720 MP3
Internal memory
16 GB
RAM
2 GB
Card slot
Micro SD, up to128 GB (dedicated slot)
Battery
Battery capacity
Li-Po 2200 mAh
Charging port
Micro USB 2.0
Other
Announced
2015, December


Based on our experience, we made a selection of the most common malfunctions of mobile devices and evaluated the difficulty of performing repairs for each of them. The final evaluation of the difficulty of the repair is the sum of all the parameters. This difficulty rating is also applicable for all models Huawei GR3 — Huawei GR3 TAG-L21 released for markets in different countries.


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