CarousellMOBILE is backed by Carousell β the marketplace used by 1 in 3 Singaporeans. Find Singaporeβs most trusted, quality-checked devices in our Best Value collection (Under S$400). Shop online with same-day delivery or visit CarousellMOBILE outlets across Singapore.
Best Value Certified Used Devices Under S$400
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Samsung Galaxy Watch 5 BT 40MM
Emergency SOS:Yes, Allows users to quickly call emergency services by pressing the Home key (Power key) three times. It also notifies emergency contacts and shares location when activated ECG Electrocardiogram:Yes Double Tap Gesture:No Blood Oxygen Sensor:Yes Calorie Tracker:Yes Compatibility:Requires Samsung Galaxy Phone with Android 8.0 and minimum 1.5GB RAM GPU:Mali-G68 CPU:Dual-core 1.18 GHz Chipset:Exynos W920 Sensors:Accelerometer, Barometer, Bioelectrical Impedance Analysis Sensor, Electrical Heart Sensor, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Optical Heart Rate Sensor NFC:Yes Loudpeaker:Yes Microphone:Yes Touchscreen:Yes Bluetooth:Bluetooth 5.2 WLAN:Wi-Fi 802.11 a/b/g/n WiFi:Yes SIM:No Network:GPS Power and Battery Life:Up to 40 hours (Always On Display off) Charging:Wireless charging Battery Type:Non-removable Li-Ion 284 mAh battery USB:No Resolution:396 x 396 pixels Display Size:1.2 inches Display Type:Super AMOLED Body Material:Aluminum frame Weight:28.7 grams Dimension:39.3 x 40.4 x 9.8 mm OS:Wear OS 4.0
From $49
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Samsung Galaxy Watch 5 40MM BT
Emergency SOS:Yes, Allows users to quickly call emergency services by pressing the Home key (Power key) three times. It also notifies emergency contacts and shares location when activated ECG Electrocardiogram:Yes Double Tap Gesture:No Blood Oxygen Sensor:Yes Calorie Tracker:Yes Compatibility:Requires Samsung Galaxy Phone with Android 8.0 and minimum 1.5GB RAM GPU:Mali-G68 CPU:Dual-core 1.18 GHz Chipset:Exynos W920 Sensors:Accelerometer, Barometer, Bioelectrical Impedance Analysis Sensor, Electrical Heart Sensor, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Optical Heart Rate Sensor NFC:Yes Loudpeaker:Yes Microphone:Yes Touchscreen:Yes Bluetooth:Bluetooth 5.2 WLAN:Wi-Fi 802.11 a/b/g/n WiFi:Yes SIM:No Network:GPS Power and Battery Life:Up to 40 hours (Always On Display off) Charging:Wireless charging Battery Type:Non-removable Li-Ion 284 mAh battery USB:No Resolution:396 x 396 pixels Display Size:1.2 inches Display Type:Super AMOLED Body Material:Aluminum frame Weight:28.7 grams Dimension:39.3 x 40.4 x 9.8 mm OS:Wear OS 4.0
From $49
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Samsung Galaxy Watch 4 40MM BT
Emergency SOS:Yes, Allows users to quickly call emergency services by pressing and holding the home button. It also notifies emergency contacts and shares location when activated ECG Electrocardiogram:Yes Double Tap Gesture:No Blood Oxygen Sensor:Yes Calorie Tracker:Yes Compatibility:Android 6.0 or higher with more than 1.5 GB of RAM GPU:Mali-G68 CPU:Dual-Core 1.18 GHz Chipset:Exynos W920 (5 nm) Sensors:Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Optical Heart Rate Sensor, Electrical Heart Sensor, Bioelectrical Impedance Analysis Sensor NFC:Yes Loudpeaker:Yes Microphone:Yes Touchscreen:Yes Bluetooth:Bluetooth 5.0 WLAN:Wi-Fi 802.11 a/b/g/n WiFi:Yes SIM:No Network:GPS Power and Battery Life:Up to 40 hours (AOD off) Charging:WPC-based wireless charging Battery Type:Non-removable Li-Ion 247 mAh battery USB:No Resolution:396 x 396 pixels Display Size:1.2 inches Display Type:Super AMOLED, Full Color Always On Display Body Material:Aluminum frame Weight:25.9 grams Dimension:40.4 x 39.3 x 9.8 mm OS:Wear OS 4.0
From $49
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Samsung Galaxy Watch 7 44MM BT
Emergency SOS:Yes, Allows users to quickly call emergency services by pressing the Home key (Power key) three times. It also notifies emergency contacts and shares location when activated ECG Electrocardiogram:Yes Double Tap Gesture:Yes Blood Oxygen Sensor:Yes Calorie Tracker:Yes Compatibility:Requires Samsung Galaxy Phone with Android 11.0 and minimum 1.5GB RAM GPU:Mali-G68 CPU:Penta-core 1.6 GHz Chipset:Exynos W1000 Sensors:Accelerometer, Barometer, Bioelectrical Impedance Analysis Sensor, Electrical Heart Sensor, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Optical Heart Rate Sensor, Temperature Sensor NFC:Yes Loudpeaker:Yes Microphone:Yes Touchscreen:Yes Bluetooth:Bluetooth 5.3 WLAN:Wi-Fi 802.11 a/b/g/n WiFi:Yes SIM:No Network:GPS Power and Battery Life:Up to 40 hours (Always-On Display off) Charging:Wireless charging Battery Type:Non-removable Li-Ion 425 mAh battery USB:No Resolution:480 x 480 pixels Display Size:1.5 inches Display Type:Super AMOLED, Always-On Display Body Material:Aluminum frame Weight:33.8 grams Dimension:44.4 x 42.8 x 9.7 mm OS:Wear OS 5.0, One UI 6 Watch
From $106
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Apple Watch Series 7 41MM GPS + Cellular
Emergency SOS:Yes, Allows users to quickly call emergency services by pressing and holding the side button. It also notifies emergency contacts and shares location when activated. For the GPS + Cellular model, Emergency SOS can be used without a nearby iPhone ECG Electrocardiogram:Yes Double Tap Gesture:No Blood Oxygen Sensor:Yes Calorie Tracker:Yes Compatibility:Requires iPhone 6s or later with iOS 15 or later GPU:PowerVR CPU:Dual-core processor Chipset:Apple S7 Sensors:Blood oxygen sensor, electrical heart sensor, third-generation optical heart sensor, accelerometer (up to 32 g-forces with fall detection), gyroscope, ambient light sensor, always-on altimeter NFC:Yes Loudspeaker:Yes Microphone:Yes Touchscreen:Yes Bluetooth:Bluetooth 5.0 WLAN:Wi-Fi 802.11 b/g/n WiFi:Yes Network:GPS Power and Battery Life:Up to 18 hours Charging:Fast charging with Magnetic Fast Charger to USB-C cable Battery Type:Li-Ion battery, non-removable USB:No Resolution:352 x 430 pixels (~326 ppi density) Display Size:1.69 inches Display Type:Retina LTPO OLED, Always-On Display, 1000 nits (peak brightness) Body Material:Aluminum frame, front glass (Ion-X strengthened), back made of ceramic and sapphire crystal Weight:32.0 grams Dimension:41 x 35 x 10.7 mm Maximum OS Supported:watchOS 11.3 OS:watchOS 8.0
From $143
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Oppo A18
Sensors:Fingerprint (side-mounted), accelerometer, proximity, compass NFC:No Radio:Yes USB:USB Type-C 2.0 Charging:10W wired Battery Type:Li-Po 5000 mAh, non-removable Speaker:Stereo speakers Video:1080p@30fps Main Camera:Dual: 50 MP, f/1.8, (wide) | 2 MP, f/2.4, (depth) Selfie Camera Definition:8 MP, f/2.0, (wide) Bluetooth:Bluetooth 5.3 Wi-Fi:Wi-Fi 802.11 a/b/g/n/ac SIM:Dual SIM (Nano-SIM, dual stand-by) Chip Options:Mediatek Helio G85 (12nm) Memory:4GB;6GB RAM Storage Description:eMMC 5.1 Resolution:720 x 1612 pixels (~269 ppi density) Display Size:6.56 inches Display Type:IPS LCD, 90Hz Weight:188 g Dimension:163.7 x 75 x 8.2 mm OS:Android 13 (ColorOS 13.1)
From $95
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Apple iPhone SE 2022
Sensors:Fingerprint (front-mounted), accelerometer, proximity, gyro, compass, barometer NFC:Yes Radio:No USB:Lightning, USB 2.0 Fast Charging Capability:Up to 50% charge in around 30 minutes with 20W adapter or higher Charging:20W wired, 50% in 30 min (advertised) | 7.5W wireless (Qi) Battery Type:Li-Ion 2018 mAh, non-removable (6.96 Wh) Speaker:Stereo speakers Audio Playback:Up to 50 hours Video Playback:Up to 13 hours Video:4K@24/30/60fps, 1080p@30/60/120/240fps, HDR, OIS, stereo sound rec. Main Camera:12 MP, f/1.8 (wide), PDAF, OIS Selfie Camera Definition:7 MP, f/2.2 Bluetooth:Bluetooth 5.0 Wi-Fi:Wi-Fi 6 (802.11ax) SIM:Nano-SIM and eSIM | Apple Pay (Visa, MasterCard, AMEX certified) Chips:Apple A15 Bionic (5 nm) Memory:3GB Capacity:128GB;256GB;64GB Resolution:750 x 1334 pixels Display Size:4.7 inch Display Type:Retina IPS LCD Weight:148g Screen Size:138.4 x 67.3 x 7.3 mm (5.45 x 2.65 x 0.29 in) Manufacturer Part Number.:A2595, A2782, A2783, A2784, A2785 Maximum OS Supported:Latest iOS version OS:iOS 15
From $261
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Google Pixel 8
Sensors:Fingerprint (under display; optical); accelerometer; gyro; proximity; compass; barometer; thermometer (skin temperature) NFC:Yes Radio:No USB:USB Type-C 3.2 Charging:27W wired; PD3.0 | 18W wireless Battery Type:4575 mAh; non-removable Speaker:Stereo speakers Video:4K@30/60fps; 1080p@30/60/120/240fps Main Camera:50 MP; f/1.7; 25mm (wide); 1/1.31"; 1.2Β΅m; dual pixel PDAF; OIS | 12 MP; f/2.2; 126Λ (ultrawide); 1/2.9"; 1.25Β΅m Selfie Camera Definition:10.5 MP; f/2.2; 20mm (ultrawide); 1/3.1" Bluetooth:Bluetooth 5.3 Wi-Fi:Wi-Fi 7 SIM:Nano-SIM and eSIM Chip Options:Google Tensor G3 (4 nm) Memory:8GB RAM Storage Description:UFS 3.1 Resolution:1080 x 2400 pixels (~428 ppi density) Display Size:6.2 inches Display Type:OLED; 120Hz; HDR10+ Weight:187 g Dimension:150.5 x 70.8 x 8.9 mm OS:Android OS
From $337
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Samsung Galaxy S23 Ultra 5G
Sensors:Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer | Samsung DeX, Samsung Wireless DeX (desktop experience support) | Bixby natural language commands and dictation | Samsung Pay (Visa, MasterCard certified) | Ultra Wideband (UWB) support NFC:Yes Radio:No USB:USB Type-C 3.2, OTG Charging:45W wired, PD3.0, 65% in 30 min (advertised) | 15W wireless (Qi/PMA) | 4.5W reverse wireless Battery Type:Li-Ion 5000 mAh, non-removable Speaker:Stereo speakers Video:8K@24/30fps, 4K@30/60fps, 1080p@30/60/240fps, 1080p@960fps, HDR10+, stereo sound rec., gyro-EIS Main Camera:200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6Β΅m, multi-directional PDAF, Laser AF, OIS | 10 MP, f/4.9, 230mm (periscope telephoto), 1/3.52", 1.12Β΅m, Dual Pixel PDAF, OIS, 10x optical zoom | 10 MP, f/2.4, 70mm (telephoto), 1/3.52", 1.12Β΅m, Dual Pixel PDAF, OIS, 3x optical zoom | 12 MP, f/2.2, 13mm, 120Λ (ultrawide), 1/2.55", 1.4Β΅m, Dual Pixel PDAF, Super Steady video Selfie Camera Definition:12 MP, f/2.2, 26mm (wide), Dual Pixel PDAF Bluetooth:Bluetooth 5.3 Wi-Fi:Wi-Fi 6E SIM:Single SIM (Nano-SIM) or Dual Physical SIM (2 Nano-SIMs) | Chip Options:Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) Memory:8GB;12GB RAM Storage Description:UFS 4.0 Resolution:1440 x 3088 pixels (~500 ppi density) Display Size:6.8 inches, 114.7 cm2 (~89.9% screen-to-body ratio) Display Type:Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (HBM), 1750 nits (peak) Weight:234 g Dimension:163.4 x 78.1 x 8.9 mm (6.43 x 3.07 x 0.35 in) OS:Android OS
From $384
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Samsung Galaxy A17 5G
Sensors:Fingerprint (side-mounted), accelerometer, proximity, compass NFC:Yes Radio:Yes USB:USB Type-C 2.0 Charging:25W wired Battery Type:5000 mAh, non-removable Speaker:Stereo speakers Video:1080p@30fps Main Camera:Dual: 50 MP (f/1.8) wide + 2 MP (f/2.4) depth Selfie Camera Definition:13 MP, f/2.2 Bluetooth:Bluetooth 5.3 Wi-Fi:Wi-Fi 5 SIM:Dual SIM (Nano-SIM, dual stand-by) Chip Options:MediaTek Dimensity 6100+ Memory:6GB;8GB RAM Storage Description:UFS 2.2 Resolution:1080 x 2408 pixels, 20:9 ratio (~400 ppi density) Display Size:6.6 inches, 104.9 cmΒ² (~83.5% screen-to-body ratio) Display Type:PLS LCD, 90Hz Weight:197 g Dimension:167.2 x 77.9 x 8.8 mm OS:Android OS
From $200
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Samsung Galaxy A33 5G
Sensors:Fingerprint (under display, optical), accelerometer, gyro, compass | Virtual proximity sensing NFC:Yes Radio:Unspecified USB:USB Type-C 2.0, OTG Charging:Fast charging 25W Battery Type:Li-Po 5000 mAh, non-removable Speaker:Stereo speakers Video:4K@30fps, 1080p@30/120fps Main Camera:48 MP, f/1.8, 26mm (wide), 1/2.0"", 0.8Β΅m, PDAF, OIS | 8 MP, f/2.2, 123Λ, (ultrawide), 1/4.0"", 1.12Β΅m | 5 MP, f/2.4, (macro) | 2 MP, f/2.4, (depth) Selfie Camera Definition:13 MP, f/2.2, (wide), 1/3.1"", 1.12Β΅m Bluetooth:Bluetooth 5.1 Wi-Fi:Wi-Fi 802.11 a/b/g/n/ac SIM:Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by) Chip Options:Exynos 1280 (5 nm) Memory:4GB;6GB;8GB RAM Storage Description:UFS 2.2 Resolution:1080 x 2400 pixels, 20:9 ratio (~411 ppi density) Display Size:6.4 inches, 98.9 cm2 (~83.7% screen-to-body ratio) Display Type:Super AMOLED, 90Hz Weight:186 g Dimension:159.7 x 74 x 8.1 mm (6.29 x 2.91 x 0.32 in) OS:Android OS
From $132
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Samsung Galaxy S22 Plus 5G
Sensors:Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer | Samsung DeX, Samsung Wireless DeX (desktop experience support) | Bixby natural language commands and dictation | Samsung Pay (Visa, MasterCard certified) | Ultra Wideband (UWB) support NFC:Yes Radio:No USB:USB Type-C 3.2, OTG Charging:Fast charging 45W | USB Power Delivery 3.0 | Fast Qi/PMA wireless charging 15W | Reverse wireless charging 4.5W Battery Type:Li-Ion 4500 mAh, non-removable Speaker:Stereo speakers Video:8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS Main Camera:50 MP, f/1.8, 23mm (wide), 1/1.56", 1.0Β΅m, Dual Pixel PDAF, OIS | 10 MP, f/2.4, 70mm (telephoto), 1/3.94", 1.0Β΅m, PDAF, OIS, 3x optical zoom | 12 MP, f/2.2, 13mm, 120Λ (ultrawide), 1/2.55" 1.4Β΅m, Super Steady video Selfie Camera Definition:10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22Β΅m, Dual Pixel PDAF Bluetooth:Bluetooth 5.2 Wi-Fi:Wi-Fi 6E SIM:Single SIM (Nano-SIM) or Dual Physical SIM (2 Nano-SIMs) Chip Options:Exynos 2200 (4 nm) - Europe | Qualcomm SM8450 Snapdragon 8 Gen 1 (4 nm) - ROW Memory:8GB RAM Storage Description:UFS 3.1 Resolution:1080 x 2340 pixels, 19.5:9 ratio (~393 ppi density) Display Size:6.6 inches, 105.3 cm2 (~88.3% screen-to-body ratio) Display Type:Dynamic AMOLED 2X, 120Hz, HDR10+, 1750 nits (peak) Weight:195 g / 196 g Dimension:157.4 x 75.8 x 7.6 mm (6.20 x 2.98 x 0.30 in) OS:Android OS
From $203
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1
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Every device passes a 40-point quality check to ensure itβs fully functional, clean, and ready to use.
2
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If your order isnβt as described, you have 7 days to return it for free. All process is quick and easy.
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CarousellMOBILE: Singapore's trusted certified used electronics store
Why choose our certified used electronics?
1. Rigorous Quality Guarantee
- Every secondhand device passes our comprehensive 40-point inspection process covering technical performance, physical condition, and security verification.
- Only certified used electronics that meet our strict standards earn our quality seal.
- Professional cleaning, sanitization, and complete data wiping on every device.
2. Premium Brand Selection
- Certified used phones: Certified used phones including iPhone, Samsung Galaxy, Google Pixel, and Oppo phones.
- Secondhand tablets: Premium certified used tablets like iPad, Samsung tablets, and more.
- Certified used laptops: MacBook and other premium certified used laptops for work and creativity.
- Secondhand smartwatches: Get your hands on certified used smartwatches, including Apple Watch, Samsung Galaxy Watch at unbeatable prices.
3. Unmatched Customer Protection
- 7-day full refund guarantee - return any secondhand device for any reason with our return policy.
- 12-month comprehensive warranty on all certified used electronics - learn more in our warranty policy.
- Same-day free delivery across Singapore when you order certified used devices before 2:45pm.
- Multiple collection points island-wide for convenient pickup.
CarousellMOBILE advantage
Trusted Brand Backing, CarousellMOBILE operates under Singapore's largest marketplace, giving you confidence when buying certified used electronics. Our reputation is built on delivering quality secondhand devices with complete peace of mind.
Smart savings on premium devices
Get flagship certified used phones like iPhone and Samsung at prices up to 40% below retail. Why pay full price when you can own premium secondhand electronics that work like new?
Hassle-free trade-in
Upgrade your device while getting cash for your old one. Our trade-in program makes switching to certified used electronics even more affordable. Learn how to swap your old device for a new one and enjoy extra discounts here.
Shop certified used electronics with confidence
Every secondhand device at CarousellMOBILE comes with our quality guarantee. Whether you're looking for certified used phones, tablets, or laptops, you're getting authentic, tested, and reliable electronics.
Ready to discover Singapore's best certified used electronics?
Browse our collections and experience why thousands choose CarousellMOBILE for their secondhand device needs.