LeEco Cool1 Dual Teardown

(Last updated on November 30, 2016)

LeEco Cool1 Dual smartphone features a 5.5-inch full-HD (1920×1080 pixels) IPS in-cell display with 450-nit brightness and 72 percent NTSC color gamut. It supports dual-SIM (Nano + Nano) and runs on Android 6.0 Marshmallow-based EUI 5.6. The phone is powered by a Qualcomm Snapdragon 652 octa-core processor (quad-core 1.8GHz Cortex-A72 + quad-core 1.2GHz Cortex-A53) paired with Adreno 510 GPU.

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LeEco Cool1 Dual sports two 13-megapixel cameras at the back with f/ 2.0 aperture, PDAF, 4K video recording, 720p slo-mo, and dual-tone LED flash. And an 8-megapixel front camera with f/2.2 aperture and an 80-degree wide-angle lens. LeEco Cool1 Dual Smartphone measures at 152×74.8×8.2mm and weighs 167 grams. Connectivity options include 4G with VoLTE, Bluetooth 4.1, Wi-Fi 8802.1111 ac/a/b/g/n (2.4/5 GHz), GPS, and USB Type-C port. It is backed by a 4,060mAh non-removable battery and also supports reverse charging.

We do not find screws on the fuselage, so the first step is heat up the display edges with a heat gun.
And then open up the display assembly a little bit with section cup, at the same time, insert a guitar pick between the display and the fuselage.
Slide the guitar pick to separate the display assembly from the fuselage.
There are two cables are still connecting to the motherboard.
Before remove the display, we need to disconnect these two cables from the motherboard.

With the display assembly removed, you can find a metal plate under the display.
Remove all screws securing the metal plate and remove it from the fuselage.

Remove all screws securing the motherboard.
Disconnect the battery connector from the motherboard and pull out the motherboard.

At first glance the workmanship of the motherboard is good, the CPU and memory chip are packaged together.

On the back side of the motherboard, we can find some chips: Qualcomm PM8956 power management chip, Qualcomm PMI8952 power management chip, Qualcomm RTM2965 RF chip, Skyworks SKY77824-1 SMT power amplifier and Skyworks SKY13491 RF chip.

Qualcomm Snapdragon 652 processor + SK hynix 4GB RAM

Qualcomm PMI8952 power management chip

Skyworks SKY77824-1 SMT power amplifier

LeEco Cool1 Dual is using Goodix GT915L touch chip.

Here’s 13MP dual rear camera, it is using Sony IMX 258 camera sensor.

8MP front camera

LeEco Cool1 Dual comes with a 3.85V, 15.4Wh, 4060mAh Li-polymer battery, the model is CPLD-403.
We also find the battery is still has a Coolpad’s logo.

The bottom board is integrated an USB Type-C port and a vibration motor.

Here’s LeEco Cool1 Dual speaker module.

Source: it168

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