Default Phone doesn't regain LTE signal after loosing it.

Hey everyone, as some of you know, many GS3 users on verizon were having a bad texting issue in which they would only be able to send one sms message before rebooting or toggling airplane mode. The fix was to odin back to stock and do an nvbackup and restore. Well I've done that and now I'm on the I535VRLF2 baseband. My problem is that whenever I go into an area without coverage, I won't get LTE back until I reboot. I'm afraid to flash any new modem for fear of the texting issue resurfacing. Any ideas/suggestions? Thanks.