How to change the smart card water meter?
Water meter and water meter card are encrypted, you first crack the password, it is possible to carry out other operations.
Of course, this method is not feasible, you purchase water information in the water are the background records, the records and correspondence in the water meter, a long time if you do not pay water charges, water will go to your home reading, unless you re black water background, or you put water down, change of course what procedures, water always know, that day
Each time you recharge, you need to modify some of the cards and water meters, and the more effective is to modify the data in the water meter.
First you have to break the code, and you also need to understand the card data structure.
