Track record of providing quality tier - 1 support and customer service. (coverlettersandresume.com)
There are additional services, such as VIP support and SMS notification of order completion, available to the higher quality tiers. (writing-service-assistant.com)
The world of entry - priced phones is becoming increasingly competitive, and it's more difficult to distinguish between the various quality tiers in the Android ecosystem. (mobilesyrup.com)