Hi evry one ihave this broplim i hope to find sloution with you brothers



the trak with band fdd1800-2300 how can i mak it work and with witch firmwer ?

my wifi detals :
model: E5577s-321
serial number:F5DDW16707008406
IMEI:860782032169197
Hardware version:CL1E5573SM02
Software version:21.200.07.02.1367

Thanks for All


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