I'm sorry to learn of any signal issues you have experienced. I trust that signal issue is resolved by now.
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I can confirm that 4GE lit up sometime yesterday in at least southern Camarillo and Newbury Park. Travelled to North Camarillo and Oxnard and fell back to 3G. Haven't ventured further south/east into greater Thousand Oaks, Westlake Village, Agoura Hills etc.
Finally! Can't be long for the rest of Ventura County now.