I bought it in 2019 and have used it for over a year and have no problems. The best cartridge ever. All the answers are here
Works perfectly, I am very happy with my ED64 X7!
Happy to say I still have my ED 2.5 working perfectly after 6 years! Best product ever!
This cartridge runs all games of Nintendo 64 perfectly without discrimination between pal and ntsc. Thank you very much to everyone who contributed.
My EDx7 arrived just in time. It's working very well.
Arrived in the mail yesterday and so far I must say paint me impressed. It works like a dream.