TREKKER-X4 - Grade B - Very good condition, residual battery capacity ≥ 80%.
With a lens and features worthy of the best Action-cams, the TREKKER-X4 has been designed not only to accompany you on your most extreme outings, but also, to capture them. . Thanks to its dedicated Photo/Video App, X-CAM, and the Crosscall X-STORY editing app, you can create your stories by filming, editing and sharing your feats easily and, above all, instantly. Intuitive operation, reinforcements, shock resistance and waterproofing also make it extremely comfortable to use, making it an everyday smartphone that's always ready for action, whether it's on the other side of the world or down the street.
Read all- Action cam 170° Hyperstab
- 5.5" screen - 16:9 - Full HD
- 4/64GB - UV, Alti/Baro sensors

The charger unit and cable are not supplied with this smartphone.
3 grades to choose from
Whichever grade you choose, we guarantee 100% functionality.



Sample image
Grade AExcellentcondition
Impeccable aesthetic condition
Excellent condition of screen and casing
Grade BTverygood condition
Product with slight signs of use
Few signs of use on the shell and micro-scratches on the screen invisible when the screen is switched on
Grade CBoncondition
Product with pronounced signs of use
Scratches visible on the shell and/or screen when switched on
35
control points
Each reconditioned product undergoes a rigorous 35-point inspection, guaranteeing performance. With a strong Crosscall commitment, we offer you a precise to ensure the quality and reliability of every device.
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features
Everything you need to know about the TREKKER-X4 - Grade B - Very Good condition, battery residual capacity ≥ 80% can be found here :
OUTDOOR FEATURES | |
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IP standard | IP 68 |
Watertightness | 2m / 60min |
Dust-tight | Total |
Operating temperature | -40°C / +71°C |
PHOTO | |
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Sensor 1 | Sony IMX386 170° Wide Angle |
Sensor 2 | Sony IMX386 88 |
Autofocus | Hybrid (PDAF + Laser) |
Stabilization | 6 axes |
Front camera | 8 MP |
Zoom | Electronics |
Flash | 2x0.5W Dual Tone |
Supported formats | JPEG / RAW |
VIDEO - ACTION CAM | |
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Resolution | 4k@30fps, 2k@30fps, 1080p@30/60/120 fps |
Supported formats | MP4v, H.263, H.264, H.265; 3GP |
X-CAM app | Action Cam, Dash Cam, Time-Lapse, Slow Motion, Hyperstab |
X-STORY app | Media editor |
TECHNICAL DATA | |
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Dimensions | 162.6 x 82 x 12.85 mm |
Weight | 253 g |
Color | Black |
Operating system | Android™ |
Version | 10³ |
Processor | OCTO-CORE 2.2GHZ |
Type | Qualcomm® SnapDragon™ SD660 |
SAR* Head | 1.426 W/kg |
SAR* Body | 1.451 W/kg |
DAS* Members | 2.804 W/kg |
Languages | Arabic, Chinese, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, German, Hungarian, Italian, Latvian, Lithuanian, Norwegian, Polish, Portuguese, Russian, Slovak, Slovenian, Spanish, Swedish |
SCREEN | |
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Size | 5.5'' |
Type |
IPS Corning Gorilla® Glass 5, 0.9 mm Wet & Glove touch |
Tactile | Capacitive display, 5 points |
Resolution | 1920 x 1080 pixels, FULL HD, 16 million colors |
Brightness | 450 cd/m² (0.5 W/m²) |
BATTERY | |
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Type | Li-Ion Polymer |
Capacity | 4400 mAh |
Autonomy in communication | 2G: Up to 30h / 3G-4G: Up to 28h |
Standby time | 2G: Up to 21 days / 3G-4G: Up to 19 days |
GPS* autonomy | Until 11 a.m. |
MEMORY | |
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RAM | 4 GB |
Flash | 64 GB |
External (Micro SD) | up to 512 GB (sold separately) |
NETWORK & CONNECTIVITY | |
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SIM | Dual SIM or SIM + micro SD drawer |
Type | Nano SIM |
2G (GPRS/EDGE) | 850/900/1800/1900 MHz |
3G (HSPA 42.2/5.76 Mbps) | 850/900/1700(AWS)/1900/2100 MHz |
4G LTE-A (3CA) Cat11 600/75Mbps |
FDD-LTE: Band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(850), 19(850), 20(800), 26(850), 28(700), 66 (1700/2100) TDD-LTE: Band 38(2600), 40(2300), 41(2500) |
HD Voice 3G | Yes |
VoLTE | Compatible⁶ |
VoWIFI | Compatible⁶ |
WIFI | IEEE 802.11 a/b/g/n/ac 2.4 + 5 GHz, MU-MIMO, WIFI Direct, HotSpot |
Bluetooth® technology | 5.0 LE |
Supported formats | SDP/GAP/A2DP/AVRCP/HSP/HFP/OPP/PBAP |
NFC | Yes, Android² Pay |
USB | 3.1 Type C |
OTG | Yes |
X-LINK™⁷ | Yes |
OUTDOOR SENSORS | |
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G-Sensor | Yes |
Gyroscope | Yes |
E-Compass | Yes |
Accelerometer | Yes |
Proximity sensor | Yes |
Brightness sensor | Yes |
Barometer | Yes |
Thermometer | Yes |
Hygrometer | Yes |
Altimeter | Yes |
UV sensor | Yes |
MESSAGING | |
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SMS/MMS | Yes |
POP/MAP/Exchange | |
Instant messaging | Duo |
MUSIC | |
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Jack socket | 3.5mm waterproof, CTIA standard |
Supported formats | AMR, MIDI, MP3, AAC, WAV |
Micro |
Dual microphones, noise reduction Waterproof microphone, GORE membrane |
LOCATION | |
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GPS | Yes |
Type | GPS, A-GPS, Glonass, Baidou, Galileo support |
FUNCTIONALITIES | |
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Play Store™ | Yes |
Google² services | Yes |
Free Hand | Yes |
Alarm clock | Yes |
Tape recorder | Yes |
FM radio (built-in antenna) | Yes |
Customizable multifunction button | Yes |
SOS function | Yes |
Nicolas M. le 25-08-09 following an order from 25-07-14
Very good phone, very solid. I've already had one that was in a fire and then in water, and it's still working, although the whole unit and the screen are a little burnt, but I've managed to recover all the data.
grégory R. le 25-08-09 following an order from 25-07-13
Ras for now
FREDERIC R. le 25-08-09 following an order from 25-07-16
Not this side used all functions out dor
Sylvain G. the 25-08-04 following an order from 25-07-03
First outing in canyoning, it got waterlogged fans the waterproof canister, so it doesn't work anymore because the phone is fogged up and the inlet plugs were tightly closed. Too bad for a first test with my professional activity.
View the conversationguilhain l. le 25-07-25 following an order from 25-07-06
Some touchpad bugs
Elodie M. le 25-07-23 following an order dated 25-06-20
Disappointed with the quality of the refurbished products and too long to repair.
Yannick C. on 25-07-14 following an order from 25-06-14
Always reliable
Goulven D. the 25-07-04 following an order dated 25-06-06
in non-telephone use, the battery melts like snow in the sun
Etienne M. le 25-07-04 following an order dated 25-06-02
safe choice and undoubtedly consistent quality
Philippe L. on 25-06-28 following an order from 25-06-04
Positive on the face of it. I'll have to wait and see. I wonder about the watertightness of the connection for recharging the battery, which doesn't hold very well.
anonymous anonymous. le 25-06-28 following an order from 25-05-27
Phone to replace the same model out of service (H.S motherboard). Cheaper than repair. Level C condition. Screen ignition button works randomly. Intended use: gps, IGN map reading, orientation, Osmand.