PLMN (Provider Tag) Text Table File

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plmn_text_table.bin

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Alpha Tag Database

seem 0032, offset 4B, bit 6 must be set to "0"

in some cases, seem 0032, offset 02, bit 1 must be set to "0" also

first offset prior to text is the number of characters in the alpha tag, in hex

Example: "Cingular" would require "08" and "XLR8 Is Awesome" would require "0F"

Confusing? Maybe so. A little lesson for counting in hexadecimal. Forget what you learned about counting to "10" in Kindergarten; let's count to "10" in hex...

00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 0A, 0B, 0C, 0D, 0E, 0F, 10 (exciting, huh? wanna count to "10" in binary? 00, 01, 10 EASY!)

second offset prior to text has something to do with the band the network uses (ie. 850/900/1800/1900) I recommend not changing it.

It appears as though 01/02/03 denote 900/1800 and 04/08/0C denote 850/1900 and 05/07/09 denote all bands.

third offset prior to text is the first two digits of the "MNC" code, reversed

Example: For a network code of 123-456, you would see "54" in this offset

fourth offset prior to text is the last digit of the "MCC" code (digit #2 in the offset) and the last digit of the "MNC" code (digit #1 in the offset)

Example: For a network code of 123-456, you would see "63" in this offset

fifth offset prior to text is the first two digits of the MCC code, reversed

Example: For a network code of 123-456, you would see "21" in this offset

Source(s): PLMN (Provider Tag)