Find many great new & used options and get the best deals for Sim Card Tray Holder For Oppo A3s A5 Replaceable Spare Part Replacement at the best online prices at eBay! The Retail Price of Oppo A3s is DEM 90 (US$90) Oppo A3s having 6.2 inches IPS LCD display with support of up to 16 million colors. The Smartphone comes with 271 ppi pixel density and 720 x 1520 pixels which make display more apparent, sharper and vibrant. To protect screen Gorilla Glass 5 is fixed on its front. Mar 26, 2019 · Nano SIMs are the norm for premium handsets such as the iPhone XS or Samsung Galaxy S10, and in some cases the size required may be printed on the SIM tray or area where you insert the SIM card ... #5 – SIM Issue and fixing on Oppo A3s. Confirm that your SIM is working properly by trying it on another device. Check to see that you have inserted SIM to your A3s correctly. Check see that your SIM tray is not damaged. If the SIM is too old, then go for a SIM swap before you use it in your Oppo A3s new device.