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Good
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Margaret Yen
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I never expected to get services from the staffs in Mobile Relation. Best compared to Singtel Hello stores.
Staff here are genuinely helpful and recommended the best mobile sets
I will definitely recommend more of my friends and relatives to them.
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CHAMAL VLOGS
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⭐ Excellent Service at Mobile Relation – Aljunied Branch!
I had a great experience with Mobile Relation at the Aljunied branch. The staff provided excellent service and were very helpful and friendly. I really appreciate their good customer service and professionalism. Highly recommended! Thank you for the great service. 😊
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Aye lay
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very friendly customer service. affordable phone and worth the price!
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Zack Shootyoudie
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very fast and efficient transaction! recommended 10/10
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Corleone Lee
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Just bought my 18 pro max from Mobilerelation Aljunied. Tried searching at Apple Store and other places they are out of stock. Was so happy when I found out they have ready stock came down 1 hour after messaging them via WhatsApp. They are friendly and professional, sold my 17 pro max and topped up a little for this new phone!
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Anh Do
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Small, no frills shop with excellent service. Came in to buy one of the last few iphone 17 on this island and managed to get all the data transfer on the spot. Super friendly and reliable service :)
p.s: went to their outlet in ang mo kio to replace battery for my old iphone and the experience is just as pleasant! :)
Google Appointed Seller
Samsung Authorized Seller
MobileRelation has proudly served customers in Singapore since 2008. As a Google Appointed Seller and Samsung Authorized Seller, we offer reliable trade-in services and a range of purchase benefits for added peace of mind.
The Vivo Y31 5G is a tough, long-lasting 5G phone with IP68, IP69 and IP69+ dust and water resistance, SGS Five-Star and military-grade certification, and a 6500mAh BlueVolt battery with 44W FlashCharge that vivo rates at 1–50% in 38 minutes. It has a 6.68-inch 120Hz display reaching 1000 nits, dual stereo speakers with 400% volume, a 50MP camera with Underwater Photography, the 4nm Snapdragon 4 Gen 2 with 8GB RAM and 256GB, NFC and Circle to Search. Discover the Vivo Y31 5G in Singapore at MobileRelation, brand new.
Battery
6500 mAh
Charging
44 W
Durability
IP69+
Volume
400%
Tough. Loud. Long-lasting.
Four reasons to make the Vivo Y31 5G yours.
Durability01
Vivo Y31 5G: IP68, IP69 and IP69+.
Rated IP68 (1.5 metres for 30 minutes) and IP69 in vivo lab testing, with IP69+ meaning it passed three rounds of IP69 tests. Add Wet-Hand Touch, one-tap water ejection, Guardian Glass and SGS Five-Star and military-grade certification.
IP68 · IP69 · SGS Five-Star
Battery02
6500mAh BlueVolt with 44W FlashCharge.
A 6500mAh (typical) battery that vivo rates for up to 23 hours of YouTube playback, 1–50% in 38 minutes with 44W FlashCharge, and 1600 charge cycles for five-year battery health.
6500mAh · 44W · 1600 cycles
Display & sound03
120Hz, 1000 nits, 400% volume.
A 6.68-inch LCD at up to 120Hz with 1000 nits HBM and TÜV Rheinland Low Blue Light certification, plus dual stereo speakers with up to 400% volume and Hi-Res Audio certification.
6.68-inch · 120Hz · Stereo speakers
Everyday04
Snapdragon 4 Gen 2, 8GB + 256GB.
The 4nm Snapdragon 4 Gen 2 with 8GB RAM plus 8GB extended RAM and 256GB UFS 3.1, a 50MP camera with Underwater Photography and AI Erase, NFC, Circle to Search and AI Screen Translation.
Dual-band Wi-Fi · Bluetooth 5.1 · NFCUSB Type-C (USB 2.0) · OTG · FM radio
Audio
Dual stereo speakersUp to 400% volume · Hi-Res Audio
Security
Side-mounted fingerprint sensor
Software
Funtouch OS 15, Android 15 (at launch)
Size and weight
166.14 × 77.01 × 8.39mm · 209g
Colours
Jade Green · Coral Red
Model specifications are shown above, as published by vivo Singapore. Battery and durability figures are vivo’s laboratory ratings for a new device; vivo notes it is not a professional waterproof phone and liquid damage is not covered by warranty. Select your preferred colour in the product options to see current availability and the latest Vivo Y31 5G price.
A smarter choice
Is the Vivo Y31 5G right for you?
The Vivo Y31 5G suits students, parents and outdoor workers who want strong water resistance, a long-lasting battery, loud speakers and NFC in a 5G phone. Want an FHD+ display and a 32MP selfie camera? See the Vivo Y31s 5G. Want a 200MP camera and 7000mAh? See the Vivo V70 FE.
You work outdoors or in the rain. IP68, IP69 and IP69+ with Wet-Hand Touch.
You need all-day battery. 6500mAh with 44W FlashCharge.
You watch videos without earphones. Dual stereo speakers, up to 400% volume.
The MobileRelation difference
Buy with clarity. Upgrade with confidence.
Brand new, genuine.
Every unit is brand new, so you know exactly what you are getting before you buy.
See it in store.
Visit our Singapore outlets and check the phone in person. Find an outlet ↗
It is rated IP68 and IP69 in vivo lab testing, including submersion in fresh water up to 1.5 metres for 30 minutes. vivo notes it is not a professional waterproof phone, resistance may reduce with use, and liquid damage is not covered by warranty.
What does IP69+ mean?
vivo says IP69+ means the phone meets IP68 and IP69 and has passed three rounds of IP69 water resistance tests.
How long does the Vivo Y31 5G battery last?
vivo rates the 6500mAh battery for up to 23 hours of YouTube playback and 73 hours of Spotify playback in lab testing, and 44W FlashCharge reaches 50% in about 38 minutes.
Does the Vivo Y31 5G have NFC?
Yes. vivo Singapore lists NFC, along with 5G, dual-band Wi-Fi and Bluetooth 5.1.
Can I expand the storage?
No. vivo lists expandable storage as not supported, but it comes with 256GB built in, plus 8GB of extended RAM.
Is it brand new?
Yes. This listing is brand new, with 8GB + 256GB in Jade Green or Coral Red.
Device Status
Brand New
Memory
8/256 GB
Color
Green, Red
Free Delivery: Enjoy free delivery within 2–4 business days.
Price Changes: Prices may be subject to change at any time without prior notice.
Handling Pricing or Stock Errors: In the event of any pricing or stock errors, we reserve the right to cancel orders or make necessary adjustments.
Packaging & Accessories: A charging cable is provided with every pre-owned device. For Original box and accessories may not be included with pre-owned devices. Included items may vary by unit.
Please refer to our Warranty Information page for full terms and conditions for all brands.
From choosing the right device to bringing it home, every customer has a different experience with MobileRelation. Here are a few stories they shared with us.
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Moments Worth Remembering
A new device often marks the beginning of something exciting. Here are some of the happy moments we’ve had the pleasure of sharing with our customers at MobileRelation.
Select options
This product has multiple variants. The options may be chosen on the product page
Phone Conditions
How Is the Device Condition Determined?
Pristine+
Like New Condition
Flawless with no visible signs of use. Feels just like new.
Pristine
Excellent Condition
Very light signs of handling may be visible. Clean and fully functional.
Mint
Great Condition
Minor scratches or light signs of use. Fully functional and well maintained.
Well-used
Good Condition
Visible scratches or cosmetic wear. Tested and fully functional.
Device Options Explained
What does each device option mean?
Official
Singapore Official Set
1. Source direct from local distributors.
2. Subject to distributor policy, the official set may be unsealed for activation or inspection purposes.
Telco
Telco Set
1. Sourced from Singapore telco operators (Singtel, StarHub, M1). Fully unlocked and sim-free. Backed by Singapore warranty.
2. In line with telco policy, the telco set may be unsealed when required for activation or inspection.
Certified
MobileRelation Certified
Pre-owned device inspected and tested by MobileRelation. Guaranteed fully functional with no hidden defects.
Global
International Set
Sourced from international markets. Warranty coverage varies by brand — some offer regional or global warranty, others may not cover Singapore. Check with us if unsure.
Google Appointed Seller
Warranty Included
Professionally Checked
Islandwide Delivery
Multiple Physical Stores
