In Canada, there appeared an unknown, new version of LG K4. The phone has a different designation and a processor than previously known variants K130e and K120e.
The new model is marked K121 and in most of the specification it is identical to the primary K4. Everything points to the fact that what differs K121 from its brothers is a processor. The phone in the versions presented so far has had MT6735M Mediatek processor with cores Cortex-A53, clocked at 1 GHz. Meanwhile, according to Canadian sources, K4 K121 has a processor with Cortex-A7 cores clocked at 1.1 GHz. LG traditionally does not mention the processor type on its site, but everything indicates that it is the Snapdragon 210. At the moment there is no further information on the distribution of the variant K4. It is possible that this version it designed exclusively for the North American market.
Source The Manufacturer