Figure 11 No 5G Or 4G Signal; Figure 12 Battery Life - Nokia T-Mobile Operator's Manual

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An X indicates no signal for either 5G or 4G signals, which may be the result of the
5G cell equipment being unavailable or down momentarily, or perhaps antenna
sweeping is configured according to a schedule. The possibility for a 4G/LTE
connection is always available in this case, but the 4G/LTE connection may be
medium or weak.
No 5G or 4G signal
Figure 11
See Section 5.10 for the procedure to reposition the T-Mobile High-Speed Internet
Gateway.
If your T-Mobile High-Speed Internet Gateway has an optional UPS battery, the
Signal screen will show either a battery with bars, indicating the life of the battery or
"UPS" to indicate that an optional battery is available.
Battery life
Figure 12
Nokia 3TG-01275-AAAA-TCZZA
T-Mobile High-Speed Internet Gateway Operator
Manual
Issue: DRAFT