means that you didnt add any nodes , u can find the list here plus updated bootstrap files
https://ihostmn.com/explorerinfo.php?coin=SPRX just edit this file sprint.conf located in AppData\Local\SprintCore and then restart your wallet it must work .
addnode=95.217.50.223:9977
addnode=88.198.135.169:9977
addnode=95.217.50.217:9977
addnode=65.108.18.251:9977
addnode=164.68.112.217:9977
addnode=65.21.85.246:9977
addnode=62.171.132.116:9977
addnode=138.201.34.29:9977
addnode=207.180.214.74:53006
addnode=167.86.85.248:9977
addnode=164.68.112.221:35312
addnode=167.86.91.194:39900
addnode=135.181.68.47:9977
addnode=54.37.85.61:56920
addnode=146.59.217.34
addnode=135.181.216.87:49864
addnode=164.68.102.166:51898
addnode=173.249.22.16:43208
addnode=164.68.102.157:46700
addnode=167.86.97.25:34914
addnode=164.68.112.222:48984
addnode=167.86.91.140:44970
addnode=167.86.83.59:46814
addnode=207.180.200.238:41430
addnode=65.21.85.232:9977
addnode=65.108.18.226:9977
addnode=65.108.18.247:9977
addnode=95.216.127.173:9977
addnode=95.216.226.48:48458
addnode=207.180.210.172:9977
