[Q] Lenovo A588T numeric keys for text topic

I just recieved a Lenovo A588T and it's a pretty good phone if you overlook the 512mb RAM limitation.

But my problem is when it comes to the keyboard, I can only use the physical keys to type numbers, even though the keys have letter imprints, so one would assume that typing is possible with them.

The phone came with AOSP keyboard so I think the seller may have flashed a international keyboard to give me a hand, and the phone language was set to english.

I've tried many keyboards that include options for hardware keyboards to no avain, even null keyboard and with all these I've only been able to type numbers.

Is there anywhere I can find a flashtool and the original ROM for this phone to check if the seller flashed an English keyboard?
How can I type letters using the hardware keys?
Also, there's a button on the top right that depicts a house and a heart, no idea what it does, if I hold it down on the homescreen it asks if I want to activate "easy mode".

Thanks