https://www.ubergizmo.com/products/lang/en_us/devices/oppo-a1k,vivo-v7/
Oppo A1k vs. Vivo vivo V7 Specs & Speed
Oppo A1k, Vivo vivo V7: Technical Specifications and Speed/Benchmarks comparison (Camera, Processor, Memory size, Price and Features)
oppo a1kvivo v7vsspecsspeed
https://www.corning.com/cn/zh/archived-pages/en/products-with-gorilla-glass/smartphones/oppo/oppo-a1k.html
OPPO A1k | OPPO | Corning Gorilla Glass
In addition to its long-lasting 4000mAh battery, the OPPO A1k also includes a 10W charger that provides 2x faster charging. Its 6.1-inch HD+ immersive display...
oppo a1kcorninggorillaglass