SafeRooting
verykool s4009 Crystal
Verykool

verykool s4009 Crystal

Released: 2017, June. Released 2017, JuneStatus: Discontinued

Root Support Available

Bootloader unlock, Magisk root, recovery notes, and expert support are available for this device family.

Full Specifications

OSAndroid 6.0 (Marshmallow)
CPUDual-core 1.3 GHz Cortex-A7
GPUMali-400
NFCNo
SAR1.13 W/kg (head) 0.81 W/kg (body)
SIMDual SIM (Mini-SIM/ Micro-SIM, dual stand-by)
USBmicroUSB 2.0
Size4.0 inches, 45.5 cm, 2, (~54.3% screen-to-body ratio)
TypeTFT
WLANWi-Fi 802.11 b/g/n, Wi-Fi Direct
Brandverykool
Modelverykool s4009 Crystal
RadioStereo FM radio
SpeedHSPA 21.1/5.76 Mbps
VideoN/A
ColorsBlack/Gold
Single2 MP
StatusDiscontinued
Weight-
ChipsetMediatek MT6570 (28 nm)
SensorsAccelerometer
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bandsHSDPA 850 / 1900 / 2100
FeaturesLED flash, panorama
Internal8GB 512MB RAM
Released2017, June. Released 2017, June
Stand-byUp to 150 h (3G)
Announced2017, June. Released 2017, June
Bluetooth4.0, A2DP, LE
Card slotmicroSDXC
Talk timeUp to 4 h (3G)
3.5mm jackYes
Dimensions127 x 66 x 10.7 mm (5.0 x 2.60 x 0.42 in)
Resolution480 x 800 pixels, 5:3 ratio (~233 ppi density)
TechnologyGSM / HSPA
LoudspeakerYes
PositioningGPS

verykool s4009 Crystal Overview

About verykool s4009 Crystal verykool s4009 Crystal is a discontinued device from verykool's popular line of first class Android phones, released in the 2017. verykool s4009 Crystal has a wide variety of great specifications such as 8GB 512MB RAM with Mediatek MT6570 (28 nm) , as well as ultrasonic fingerprint sensor. The thing that makes this decent smartphone special is its sleek design and an amazing all-screen design with no notches at all.

Rooting Information

verykool s4009 Crystal can generally be rooted with a bootloader unlock and Magisk patched boot image workflow. Always match firmware build numbers before flashing.

Bootloader Information

Most Android rooting methods begin with bootloader unlock. Unlocking may wipe data, affect warranty, and disable some security features.

Recovery Information

Custom recovery support depends on chipset, kernel source availability, and community builds. Fastboot-based Magisk installation can work even when TWRP is unavailable.

FAQ

Can I root the verykool s4009 Crystal?

The verykool s4009 Crystal supports rooting through Magisk. You'll need to unlock the bootloader first, then flash a patched boot image. Check the rooting status card on this page for availability.

Does verykool s4009 Crystal support custom recovery (TWRP)?

Many Verykool devices support TWRP. Check our device page for recovery compatibility. If TWRP isn't available, you can still use Magisk through fastboot method.

Will rooting verykool s4009 Crystal void warranty?

Yes, rooting the verykool s4009 Crystal will void the manufacturer warranty. However, you can unroot using the stock firmware to potentially restore warranty coverage.

What Android version does verykool s4009 Crystal run?

Check the specifications section above for the current OS version and upgrade history of your verykool s4009 Crystal.