With barely a month left before the scheduled Mobile World Congress 2015 in Barcelona, gadget watchers are already looking forward to the latest line of devices that will be unveiled during the said event. 

Some of the most popular mobile manufacturing brands are top billing the upcoming mobile congress, including HTC, Sony, Microsoft, Samsung, and Huawei. They are expected to reveal their newest flagship phones during their scheduled press kits, which will be held starting March 2 up to March 5. 

The most anticipated product launches for this year's MWC include: 

Sony Xperia Z4 – The new flagship phone from Sony was first rumored to be unveiled during last month's CES 2015, but it failed to make the cut. Rumors started to circulate that the product will be launched during the MWC 2015 instead, but other speculations state that Sony may not be releasing the successor of their Xperia Z3 flagship phone during that event. However, new reports claim that the public will finally see the Sony Xperia Z4 during the press conference of the Japanese tech giant scheduled between March 2 to 5 after Sony sent the invites for the event. 

Microsoft Lumia 1330 – Microsoft's new Lumia device will reportedly come out with a 5.7-inch IPS LCD capacitive touchscreen with a resolution of 720 x 1280 pixels (258 ppi pixel density) that will be protected by the sturdy Corning Gorilla Glass 4. According to reports, the new Microsoft phone will also have a Qualcomm Snapdragon 400 processor and will run using the Microsoft Windows Phone 8.1 operating system. 

Samsung Galaxy S6 – The most anticipated device from Samsung will allegedly be unveiled during the company's press conference at the MWC 2015. The Samsung Galaxy S6, believed to have a whopping 5.5-inch qHD screen with Exynos 7420 chip and 20-megapixel camera, is expected to be launched during the event that could be held on March 1. 

HTC One M9 or HTC Hima – Those who enjoy the high-end features that HTC offers may find the latest flagship phone release a worthy product to purchase at the MWC 2015. Its alleged features include a 5-inch touchscreen display, a remarkable Qualcomm Snapdragon 810 chip, 20-megapixel primary camera as well as an HTC UltraPixel front-facing shooter. 

Huawei Ascend Mate 7 – The latest phablet from the Chinese mobile phone giant will allegedly come with a 6.0-inch IPS LCD capacitive touchscreen. It is also expected to be equipped with a quad-core 1.8 GHz Cortex-A15, 16 GB internal memory with 2 GB RAM or 32 GB storage with 3 GB RAM, and a microSD card slot that supports up to 128GB.