关于环翰·Vast Astock
Professional maintenance support

A technically proficient repair team, experts in diagnosing and repairing malfunctions across all categories of electronic devices, guarantees restoration of products to peak operational condition.
Wide range of products
Covering smartphones, tablets, laptops, smartwatches, and more, catering to tech enthusiasts, general users, and wholesale clients.
Quality inspection and certification

Each device undergoes multiple rigorous tests and is only listed for sale after passing inspection, with a warranty period provided.
Personalized service
Products are recommended based on needs, with support for custom procurement of specific models and dedicated one-on-one professional consultation services.
Vast Astock—— The quality used electronics resale expert at your side.
Based on Vast™reverse suppler system,We are committed to providing consumers with professional repair, excellent quality of all kinds of used electronic products, with high cost performance and reliable quality to meet all your pursuit of technological life.

HP 15-fd0083wm
Processor: Intel Pentium N200 (1.1GHz)
Memory: 4GB DDR4
Storage: 128GB SSD
Display: 15.6" 1366×768 Anti-Glare TN Panel
Connectivity: Wi-Fi 6, Bluetooth 5.3, 2×USB-A, 1×USB-C, HDMI
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Lenovo 82VG00BJUS
Processor: AMD Ryzen 3 7320U (2.40GHz)
Memory: 8GB
Storage: 256GB SSD
Display: 15.6" 1920×1080 LCD Display
Connectivity: DisplayPort, microSD card slot, SD card slot, HDMI, USB 2.0, USB-C, USB 3.2, USB 3.1, Bluetooth, Wi-Fi
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Lenovo 82V80009UX
Processor: AMD Ryzen 3 7320U (2.40GHz)
Memory: 8GB
Storage: 256GB SSD
Display: 15.6" 1920×1080 LCD Display
Connectivity: HDMI, USB interfaces(such as USB 2.0, USB 3.2 and other different specifications), Bluetooth, Wi-Fi.
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HP 15-dy2131wm
Processor: Intel Core i3-1115G4 (11th generation), 3.00GHz
Memory: 8GB DDR4
Storage: 256GB SSD
Display: 15.6" 1920×1080 Anti-Glare TN Panel
Connectivity: Wi-Fi, Bluetooth, HDMI, USB, etc.
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laptop

The range of laptop for which we can provide repair services.
Samsung SM-T220
Screen: 8.7" TFT LCD (800×1340)
Processor: MediaTek MT8768T (octa-core)
Storage & Memory: There are various configurations such as 32GB with 2GB or 3GB of memory, 64GB with 4GB of memory, etc., and it supports microSDXC expansion slot.
Cameras: 8MP Rear, 2MP Front
Battery: 5100mAh (15W fast charging)
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Samsung SM-T510X
Screen: 10.1" TFT (1920×1200)
Processor: Samsung Exynos 7904
Memory & Storage: 2GB or 3GB RAM options, 32GB/64GB storage variants, expandable via microSD card up to 512GB
Cameras: 8MP Rear, 5MP Front
Battery: 6150mAh (15W fast charging)
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Samsung SM-P613
Screen: 10.4" TFT LCD (2000×1200)
Processor: Exynos 1280
Memory & Storage: 4GB RAM, 64GB/128GB storage options, expandable via microSD card up to 1TB
Cameras: 8MP Rear, 5MP Front
Battery: 6840mAh
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Samsung SM-X200
Screen: 10.5" LCD (1920×1200)
Processor: Unisoc T618 (octa-core)
Memory & Storage: System memory is 4GB. Storage capacity has 32GB and 64GB versions. Supports up to 1TB external expansion card.
Cameras: 8MP Rear, 5MP Front
Battery: 7040mAh (supports fast charging)
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Tablets

The range of Tablets for which we can provide repair services.
Dell Venue 11 Pro
Display: 10.8" 1920×1080 IPS Display with 10-point multi-touch
Processor: Intel Core i5-4300Y, dual-core four-thread, with a basic frequency of 1.6GHz.
Memory: 4GB/8GB DDR3
Storage: 32GB/64GB/128GB/256GB M.2 SSD
Cameras: 2MP Front, 8MP Rear
Connectivity: Wi-Fi, Bluetooth 4.0, select models support mobile networks(Micro-SIM card can be installed)
Battery: 36Wh
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Dell Latitude 10-ST2
Display: 10.1" 1366×768 IPS Display
Processor: Intel Atom Z2760, dual-core four-thread, with a frequency of 1.8GHz. Memory: 2GB DDR
Storage: 64GB eMMC
Cameras: 2MP Front, 8MP Rear
Connectivity: Wi-Fi, Bluetooth, optional 3G/4G module
Battery: 30Wh
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2 in 1 laptop

The range of 2 in 1 laptop for which we can provide repair services.
HP 22-df0023w
Display: 21.5" FHD IPS Anti-Glare Display (1920×1080)
Processor: Intel Core i3-1005G1
Graphics: Intel UHD Integrated Graphics
Memory & Storage: 8GB DDR4-2666 SDRAM (1 slot, upgradable)，256GB PCIe NVMe M.2 SSD
Connectivity: 2× USB 3.0-A (5Gbps) ports, 2× USB 2.0-A ports, 1× HDMI 1.4, 1× Headphone/Microphone Combo Jack, 1× RJ45; Wi-Fi 802.11ac (1x1), Bluetooth 4.2
Features: HP TrueVision HD Camera (dual microphones), Dual 2W Speakers, 3-in-1 Card Reader, DVD Writer
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HP 24-df1023w
Display: 23.8" FHD IPS Anti-Glare Display (1920×1080) Processor: Intel Core i3-1115G4 Graphics: Intel UHD Integrated Graphics Memory & Storage: 4GB DDR4-3200 (1 slot, upgradable), 256GB PCIe NVMe M.2 SSD Connectivity: 2× USB 3.0-A (5Gbps) ports, 2× USB 2.0-A ports, 1× HDMI 1.4, 1× Headphone/Microphone Combo Jack, 1× RJ45; Optional Wi-Fi 802.11ac (1x1 or 2x2) + Bluetooth 4.2/5 Features: HP TrueVision 720p Privacy Camera (dual microphones), 3-in-1 Card Reader, Wireless Keyboard & Mouse, No Optical Drive
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HP proOne 600 G6

Display: 21.5" FHD IPS anti-glare (1920×1080) Processor: Optional Intel Core i5/i7 (10th Gen), Pentium, or Celeron (up to i7-10700)

Graphics: Integrated GPU Memory & Storage:Dual slots, max 64GB DDR4 (i7 supports 2933MHz, i5 and below 2666MHz) M.2 2280 slot (max 2TB PCIe SSD) + 2.5-inch SATA (max 2TB HDD) Connectivity:4×USB3.0, 1×USB Type-C, 1×USB3.1 Type-C; video interfaces include 1×HDMI2.0, 1×DisplayPort1.4; audio interface 1×headphone/microphone dual-purpose interface. Features:1MP camera (optional privacy shutter or IR facial recognition)；Dual 2W speakers；Base intrusion sensor

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HP 22-df0013w
Display: 21.5" FHD IPS Anti-Glare Display (1920×1080)
Processor: Intel Celeron G5900T
Graphics: Intel UHD Graphics 630 Integrated
Memory & Storage: 4GB DDR4-2666 (1×4GB slot), 256GB PCIe NVMe M.2 SSD
Connectivity: 2× USB 3.0-A (5Gbps) ports, 2× USB 2.0-A ports, 1× HDMI 1.4, 1× Headphone/Microphone Combo Jack, 1× RJ45; Wi-Fi 802.11ac (1x1), Bluetooth 4.2
Features: DVD Writer, 3-in-1 Card Reader, TrueVision HD Privacy Camera (dual microphones), Dual 2W Speakers
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AIO

The range of AIO for which we can provide repair services.
Kindle Oasis 3
Screen: 7-inch, 300ppi, E Ink Carta display
Resolution: 1680×1264 pixels
Front Light: 25 LEDs (12 white + 13 amber), adjustable color temperature
Storage: 8GB / 32GB (Approx. 6GB / 27GB usable)
Connectivity: Wi-Fi 802.11b/g/n
Battery Life: Varies based on usage (Not explicitly stated)
Weight: 194g
Port: Micro USB
Key Features: Physical page-turn buttons, Ergonomic design
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Kindle 5
Screen: 6-inch, 167ppi, Basic E Ink display
Resolution: 600×800 pixels
Front Light: No front light
Storage: 2GB (Approx. 1.3GB usable)
Connectivity: Wi-Fi 802.11b/g/n
Battery Life: Up to 30 days with Wi-Fi off
Weight: 170g
Port: USB 2.0
Key Features: Classic entry-level configuration, Exceptional battery life
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ebook Readers

The range of E-reader for which we can provide repair services.
Grading Standards: Grade A — Good Condition Overall appearance is in excellent to good condition.Minor scratches or other slight imperfections visible to the naked eye under normal lighting are acceptable. Grade B — Fair Condition Has more noticeable imperfections. These imperfections are visible and tangible.Typically limited to one or two components.