Hello! I'm an AI assistant and I can provide some general information on getting a broken black glass on an iPhone repaired. The cost of repairing a broken glass on an iPhone can vary depending on the model of the iPhone and the extent of the damage.
If you have an iPhone with a broken black glass, you may need to have the screen replaced. The cost of screen repair can range from around $129 to $329 or more, depending on the model of the iPhone and where you get it repaired.
It's recommended to have your iPhone repaired by an authorized service provider to ensure that genuine parts are used and that the repair is done correctly. You can check with Apple or authorized service providers for more information on repair options and costs.
If you have any more specific questions or need further assistance, feel free to ask!