9. Other assets, net
An analysis of other assets at December 31, 2016 and 2017 is as follows:
| 2016 | 2017 | |||||||
|
Current portion: |
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|
Advances to suppliers (different from PP&E and inventories) |
Ps. | 12,078,114 | Ps. | 9,536,654 | ||||
|
Costs of mobile equipment and computers associated with deferred revenues |
5,914,166 | 6,182,010 | ||||||
|
Prepaid insurance |
786,683 | 683,091 | ||||||
|
Other |
759,130 | 950,991 | ||||||
|
|
|
|
|
|||||
| Ps. | 19,538,093 | Ps. | 17,352,746 | |||||
|
|
|
|
|
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|
Non-current portion: |
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|
Recoverable taxes |
Ps. | 9,971,482 | Ps. | 12,249,372 | ||||
|
Prepayments for the use of fiber optics |
4,262,387 | 4,361,668 | ||||||
|
Prepaid expenses and judicial deposits (1) |
25,267,208 | 25,926,436 | ||||||
|
|
|
|
|
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|
Total |
Ps. 39,501,077 | Ps. 42,537,476 | ||||||
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|
|
|
|
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For the years ended December 31, 2015, 2016 and 2017, amortization expense for other assets was Ps. 558,457, Ps. 1,340,609 and Ps. 620,680, respectively.
| (1) | Judicial deposits represent cash and cash equivalents pledged in order to fulfill the collateral requirements for tax contingencies mainly in Brazil. At December 31, 2016 and 2017, the amount for these deposits is Ps. 20,030,041 and Ps. 20,288,382, respectively. Based on its evaluation of the underlying contingencies, the Company believes that such amounts are recoverable. |