Billing for your mobile and electronics shop in Ladakh
Cables, covers and power banks counted by the piece, and every phone left for repair written down by its owner's name.

From the visitor's blank screen to the blue phone that sold out first
The village customer's message, answered with a count before he takes the bus
A man in a far village sends a message asking if the blue one is in. Open the item and read its count: two left, or none. Tell him which. If there is one, he comes down knowing it is there, and if there is none, he keeps his bus fare and waits for the next truck.
The local SIM and its recharge as the first lines of a visitor's bill
A visitor's own network may show no bars in Leh. Put the local SIM pack and its recharge on the bill as the first two lines, and the cover and the glass below them. The bill reads in the order he will use things: connect first, protect second. The recharge is the line most easily forgotten at the end of a long sale, and one bill keeps it in.
Which phone went first after the truck, read in October
When a lot has sold, open the days after it arrived and see whether the blue one or the white one went first, and which cover went with it. The next order, placed before the road shuts, leans towards the first and away from the second, and the winter shelf is made of days that really happened.

Why a Leh mobile shop answers "why is there no signal?" before it sells anything
The visitor whose screen shows no bars
A visitor walks in from the airport road with a phone that shows no signal and says it is broken. It is not broken; the valley is another network. He needs a local SIM and a recharge, and by the time he has asked, he has also remembered a cover and a glass for the screen. Four things are on the counter and the next visitor is behind him with the same face.
A few phones of each model, and no truck behind them
Only a few phones of each model come up the road at a time. The buyer wants the blue one, or the 64, or the one his cousin has, and you have two of the white. When the stock is sold, nothing new arrives until the road opens, and the model you promised on Tuesday is not coming on Friday.
The village customer who asks by message
A man from a village up the valley writes on WhatsApp to ask if you have a particular phone. You do not know, and you cannot go and look in the middle of a rush. He decides to take the bus to Leh the next morning, and the phone is not on the shelf when he gets down. You lose a sale you would have made, and he loses a day he did not have.


What a Leh mobile shop keeps on one phone beside the SIM packs and covers
Bills on your phone
At the counter, one bill for a SIM pack, a recharge, a cover and a screen glass, each from its own count, in the time it takes the visitor to find his wallet.
Low stock warnings
A warning on the screen glass for the model most buyers carry, raised while the shelf still has some, so the order goes before the road shuts.
Daily reports
The days after each truck, one by one, so you see which model went in a week and which sat until the next thaw.
Questions Leh mobile shop owners ask about models, SIM packs and village customers
A power bank is no use without the right cable. Can I put both on one bill?
Yes. Put the power bank and the cable on one bill as two lines, each from its own count. A cable sold with a power bank does not leave you short, since its own count falls too, and you see the cables running low.
The screen for a phone will take a long time to come. Does the charge I named today still stand?
Yes. Write the charge on the day you name it, and the bill carries that day. If the road shuts and the screen takes months, the customer is not surprised by a higher rate later; the page shows what you promised.
A trekking group's guide pays for the cables of three trekkers. Can one bill carry all three?
Yes. Make one bill with a line for each cable, and send it to the guide's phone on WhatsApp. Each cable comes off its own count, and the guide shows the bill to the group.
4G SIMs in Leh and a network that waits for the road
In the three months to October 2024, BSNL Leh upgraded about 2,000 SIMs from 2G/3G to 4G and sold more than 9,000 new 4G SIMs. A phone shop in Leh sits in the middle of that change, because a customer who gets a 4G SIM often wants a phone that can use it. A phone shop in Leh is at the other end of the same change, and a customer who gets a 4G SIM is the next one to need a handset and a cover.
Unavailability of materials due to road closures and harsh weather has delayed BSNL's 4G saturation project in Ladakh, the Leh Deputy Commissioner said in May 2024. The same closed road delays the screen and the battery that a Leh shop has ordered, and both are waiting at the same place. Both the network and the shop depend on one road, and what the road delays, a Leh shop waits for as well.