Proutone - 📞How to test your phone frequency band?🧐 📡Test Methods: For iPhone:Dial *3001#12345#* → Press call button → Click 'Serving Cell Info' → Check 'Freq Band Indicator'. For Android-Method 1:Download 'LTE
iPhone's “Field Test” debug screen: Dial *3001#12345#* for the real signal strength
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Katie Hempenius on X: "How to access the field test mode on an iPhone: // This sounds super sketchy, but I swear it works. 1. On phone screen, dial: * 3001#12345#* 2. Hit
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Il Disinformatico: Il Field Test Mode sugli iPhone: *3001#12345#*
FieldTest (iOS,*3001#12345#*) to be updat… - Apple Community