As we know OPDA.cn site has now changed domain into Shoujizu.net, and the problem each want to download cer & key we are required to wait 3-5 days or if you want to fast so have to pay an amount of€ 3 EUR or $ 3 USD.

Now I have a trick for cer & key can be downloaded directly without waiting for days also without pay. - How to Download Cer & Key of Shoujizu.net Without Pay and No Waiting: -
1. Registration was at http://www.shoujizu.net , If you've passed this point. -
2. Login> select my certificate> Apply cer> fill the form in accordance with your phone details. Wait for the status of "apply" changes to "normal." If you've passed this point. -
3. If the cer & key status is normal, then click cer button. Before loading is complete, a quick click on address bar and change the word "check" to "down" then click ok / go.




If using a PC, right click on cer / key button> "copy link location" > then paste into address bar. After that edit the "check" to "down" same as above. - 4. Now we can directly download cer.

GODBLESS