here is a tutorial:
[guide|59367]
and here is the lcd (from ireland):
https://www.ebay.com/itm/Sony-Xperia-L1-LCD-Display-Screen-Replacement-Front-Touch-Glass-Digitizer-Black/202327469840?hash=item2f1ba82f10%3Ag%3AU3YAAOSw7kVbEDxB&_sacat=0&_nkw=Sony+Xperia+L+screen+replacement&_from=R40&rt=nc&_trksid=m570.l1313&LH_TitleDesc=0
You may want one of these to be safe in the future... (from the UK):
https://www.ebay.com/itm/Tempered-Glass-Screen-Protector-For-Sony-Xperia-XZ-X-Compact-L1-L2-XA1-X-XZ1-Z5/282939510681?hash=item41e0824f99%3Am%3AmMb6G2HPyyPEbB45lzgc03A&var=582831870055&_sacat=0&_nkw=Sony+Xperia+L+screen&_from=R40&rt=nc&_trksid=m570.l1313
The price will be £39.43