8GB ROM . System images larger than 2-3GB will likely fail to flash or leave no room for apps.
The longer answer is:
The Soyes XS11 is a fascinating anomaly. It’s a miniature smartphone, roughly the size of a credit card but thicker, designed as a companion device, a kid’s first phone, or a digital detox tool. It runs a full version of Android (usually 8.1 or 9.0) on a MediaTek MT6739 or similar entry-level chipset. soyes xs11 custom rom