Cheap Samsung budget phone LCD replacement, fixing gap and button issues 

Do this at your own risk! I am not responsible for any possible damage. Be careful when choosing the display to get a compatible one.
J5 2017 TFT LCD: www.aliexpress...
Rubber sheet, for J5 2017 (SM-J530F) use 0,5mm thickness: www.aliexpress...
J5 2017 power button: www.aliexpress...
J5 2017 camera lens: www.aliexpress...
Same method can be used for most samsung phone models, such as:
J530F A520F A320F J510F J500F A510F A310F J600F J415F