The $29 battery replacement not available worldwide?

Hello,

I was pretty excited to see that the prices for iPhone 6 and later battery replacement has dropped with $50 worldwide, as stated in the official letter to iPhone customers, issued on 28 of December 2017. However I want to address an issue with the official apology letter.

My iPhone 6s is about year and a half old and since the new iOS 11.2.1 update it became nearly unusable! I tried clearing the cache, rebooting, and closing all apps, but no improvement.

Im glad Apple finally agreed that they are slowing older devices, but to this extent to render it almost unusable for vital apps, I use everyday for school or education purposes, is unacceptable. So I decided to go for a $29 battery replacement. Since I'm in Bulgaria and there is no official Apple Store, we are forced to use the non promising service of only TWO third-party service providers.Not to mention that in the Bulgarian version of the official website there is not a single trace from the official apology letter.

So I went to websites of the authorized service providers (Creative Center and Bulgram) and their price for battery replacement has dropped from 195 BGN to 65 BGN, still great improvement, but it is not $29! And yes the VAT is included in this price. So lets do a simple math... As of 5 Jan 2018 $29 = 47.09 BGN. And lets add the 20% VAT we have in Bulgaria and the total price becomes 56.4 BGN... Still not 65 BGN as the third-parties are charging for a battery replacement. Not to mention that this does not include any delivery or shipment service, and if we have to add the traveling costs, since they only have offices in Sofia and Varna for the whole country, we get way past those $29, but that is of course not the problem we are here for. It's the misleading statement that the battery replacement is $29 worldwide.