Initially they released vRoot Chinese version and later vRoot English for international users. vRoot had several updates and error fixes before the current latest version 1.7.8. Check the vRoot changes log for detailed update report. vRoot is freeware which there is no cost for root your device. vRoot has successfully tested on highend Android driven such as Sony Ericsson Xperia, Samsung Galaxy Note 3, Huawei U8180.