I have lenovo smart phone s90-A
without sd card make auto restart and then to over come the problem i download this ROM Lenovo S90/A [Official]
Rom install :-
Install with QSB Method : (Folder: Qhsusb Dload Driver-S90 —> S90-A_ROW_S121_141031-qsb_user_1410312056 )
Need a memory card, create folder sdfuse and copy to install on this ROM (QSB tailed).
a) Normal phone boot into Android OS, use a USB cable to connect PC, the pop-up screen, select USB mass storage devices, and turn on USB storage device.
b) New sdfuse folder, unzip the downloaded firmware, and copied file QSB to the phone sdfuse directory.
Note: Make sure before upgrading phone there is a certain amount of power
Best Wishes :)
