Oppo A31 review: Mid-budget Oppo with 5,000 mAh battery and triple camera.
A genuinely cheap Oppo with big battery basics.
A31 is a frill-free budget Oppo that prioritises battery and the basics. Helio P35 limits anything beyond messaging and social.
01Display
56/10056/100 is one of the weaker display results among budget phones of 2020 — 7 points under the average. Check the rows below before buying for this.
02Camera
50/10050/100 trails the 56-point cohort average for budget phones of 2020.
03Performance
42/10042/100 is one of the weaker performance results among budget phones of 2020 — 8 points under the average. Check the rows below before buying for this.
04Battery
70/10070/100 is one of the weaker battery results among budget phones of 2020 — 8 points under the average. Check the rows below before buying for this.
05Build
60/10060/100 — right at the average for budget phones of 2020.
06Value
64/10064/100 — right at the average for budget phones of 2020.
- Huge battery at sub-$200.
- Triple-cam at entry price.
- Headphone jack + microSD.
- Light at 180 g.
- HD+ resolution only.
- Helio P35 is slow.
- 10 W charging.
- ColorOS 6 dated.
How this review is built: every section score, spec row and comparison on this page comes from SpecEagle's tracked catalogue — scores weight measured specs against the 118-phone cohort of budget devices released around the same time. We don't publish invented lab anecdotes. Spot an error? .