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You can decode your Mavic Serial Number using the tool: http://tools.retroroms.info/
Here is the format:
Ex: 08QDDBG01200PM
YEAR D = 2016 E = 2017
MONTH 1 = January 2 = February 3 = March 4 = April 5 = May 6 = June 7 = July 8 = August 9 = September A = October B = November C = December
DAY (base36) (base10) 1 = 1 2 = 2 3 = 3 4 = 4 5 = 5 6 = 6 7 = 7 8 = 8 9 = 9 A = 10 B = 11 C = 12 D = 13 E = 14 F = 15 G = 16 H = 17 I = NOT Used as I and 1 can be confused. J = 18 K = 19 L = 20 M = 21 N = 22 O = NOT Used as O and 0 can be confused. P = 23 Q = 24 R = 25 S = 26 T = 27 U = 28 V = 29 W = 30 X = 31