Telekoms has been pushing the Unifi branding on all its products. The latest product to use this branding is a mobile prepaid service called mobile@unifi. During the three months promotion period, the sim card is given free (list price is RM10/-). Each person is allowed to request up to 5 sims. The first one million sims come with 20GB data, 10 minutes talk time and 10 sms. To me it looks like a great deal. An excellent opportunity to test the dual sim feature on my new phone. However, using dual sim significantly reduces the the battery life due to the use both antennas. Initial experience was good in terms of coverage, probably because I was with the city limits. When I first started using the sim, it was H+ but turned to 4G when I went for lunch. While using for the past 3 weeks, I had only had two occasions where the 4G signal was on but I could not browse the internet. However, when I tested the speed, it was disappointing; even though 4G was indicated but the download speed was o...