Developing or finding a custom ROM for the is a challenging but nostalgic endeavor. Because this device is from 2013 and has very low-end specifications (low RAM and internal storage), modern development for it has virtually ceased.
Since I cannot provide direct download links (which often expire or pose security risks), here is how you hunt for a working ROM: samsung galaxy pocket neo custom rom
Select "Wipe Data/Factory Reset" and "Wipe Cache Partition." Go to "Advanced" and "Wipe Dalvik Cache." Developing or finding a custom ROM for the
Where to find ROMs and community support 25K views · 10 years ago
Samsung USB drivers: http://www.4shared.com TWRP Recovery Para o Pocket Neo. 25K views · 10 years ago ...more. Leo Santana. 4.72K. Leo Santana How to Root the Samsung Galaxy Pocket Neo (GT-S5310)
Power off, then hold Volume Up + Home + Power simultaneously.